:root {
  --ink: #142825;
  --ink-soft: #36504a;
  --forest: #0d5f4d;
  --forest-deep: #083e33;
  --forest-light: #d9eee5;
  --paper: #f4f0e6;
  --paper-deep: #eae4d7;
  --white: #fffdf8;
  --coral: #ef6b4d;
  --coral-dark: #cb4e34;
  --line: rgba(20, 40, 37, 0.14);
  --line-dark: rgba(255, 255, 255, 0.18);
  --muted: #667772;
  --shadow: 0 24px 80px rgba(23, 49, 44, 0.14);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --container: 1180px;
  --header-height: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.is-locked {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

button {
  color: inherit;
}

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

p,
h1,
h2,
h3,
ul,
ol,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

svg {
  display: block;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 4px;
  transform: translateY(-150%);
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 112px 0;
}

.section--paper {
  background: var(--paper);
}

.section--white {
  background: var(--white);
}

.section--dark {
  color: var(--white);
  background: var(--forest-deep);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--forest);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.eyebrow__dot {
  width: 8px;
  height: 8px;
  background: var(--coral);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(239, 107, 77, 0.12);
}

.eyebrow--light {
  color: #b8d9cc;
}

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

.section-heading h2,
.company-copy h2,
.contact-band h2,
.faq-heading h2,
.modal h2 {
  margin-top: 16px;
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}

.section-heading > p:last-child {
  max-width: 650px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 17px;
}

.section-heading--dark {
  max-width: 720px;
}

.section-heading--dark .eyebrow {
  color: #94d1bc;
}

.section-heading--dark > p:last-child {
  color: #b7cbc4;
}

.split-heading {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: end;
  gap: 80px;
}

.split-heading > p {
  padding-bottom: 6px;
}

.centered-heading {
  margin-inline: auto;
  text-align: center;
}

.centered-heading .eyebrow {
  justify-content: center;
}

.centered-heading > p:last-child {
  margin-inline: auto;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke-width: 2.2;
}

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

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

.button:focus-visible,
.text-link:focus-visible,
.desktop-nav a:focus-visible,
.mobile-nav a:focus-visible,
.footer-nav a:focus-visible,
.brand:focus-visible,
.tool-tab:focus-visible,
.accordion-trigger:focus-visible,
.menu-toggle:focus-visible,
.modal__close:focus-visible {
  outline: 3px solid rgba(239, 107, 77, 0.55);
  outline-offset: 3px;
}

.button--primary {
  color: var(--white);
  background: var(--forest);
  box-shadow: 0 10px 26px rgba(13, 95, 77, 0.18);
}

.button--primary:hover {
  background: var(--forest-deep);
  box-shadow: 0 14px 32px rgba(13, 95, 77, 0.26);
}

.button--coral {
  color: var(--white);
  background: var(--coral);
}

.button--coral:hover {
  background: var(--coral-dark);
}

.button--ghost {
  border-color: var(--line);
  background: transparent;
}

.button--ghost:hover {
  border-color: var(--ink);
  background: rgba(20, 40, 37, 0.04);
}

.button--small {
  min-height: 44px;
  padding: 11px 17px;
  font-size: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(20, 40, 37, 0.3);
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
  transition: color 160ms ease, border-color 160ms ease;
}

.text-link svg {
  width: 18px;
  height: 18px;
}

.text-link:hover {
  color: var(--forest);
  border-color: var(--forest);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition:
    background-color 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  border-color: var(--line);
  background: rgba(244, 240, 230, 0.94);
  box-shadow: 0 8px 30px rgba(20, 40, 37, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  position: relative;
  display: inline-block;
  width: 35px;
  height: 35px;
  background: var(--forest);
  border-radius: 7px;
}

.brand-mark::before {
  position: absolute;
  top: 9px;
  left: 9px;
  width: 11px;
  height: 11px;
  border-top: 2px solid var(--white);
  border-left: 2px solid var(--white);
  content: "";
  transform: rotate(45deg);
}

.brand-mark__line {
  position: absolute;
  top: 17px;
  left: 10px;
  width: 13px;
  height: 2px;
  background: var(--white);
  transform: rotate(-45deg);
}

.brand-mark__dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 5px;
  height: 5px;
  background: var(--coral);
  border-radius: 50%;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-copy strong {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.03em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.desktop-nav a {
  position: relative;
  padding: 8px 0;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
  transition: color 160ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--forest);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.desktop-nav a:hover {
  color: var(--forest);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.menu-toggle__close {
  display: none;
}

.site-header.is-menu-open .menu-toggle__open {
  display: none;
}

.site-header.is-menu-open .menu-toggle__close {
  display: block;
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-height) + 62px);
  background:
    linear-gradient(rgba(20, 40, 37, 0.04) 1px, transparent 1px) 0 0 / 100% 48px,
    linear-gradient(90deg, rgba(20, 40, 37, 0.04) 1px, transparent 1px) 0 0 / 48px 100%,
    var(--paper);
}

.hero::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 31%;
  height: 100%;
  border-left: 1px solid rgba(20, 40, 37, 0.08);
  background: rgba(255, 253, 248, 0.48);
  content: "";
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.91fr) minmax(500px, 1.09fr);
  align-items: center;
  gap: 64px;
  min-height: 720px;
  padding-bottom: 70px;
}

.entity-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.entity-line__name {
  color: var(--ink);
  font-weight: 700;
}

.entity-line__divider {
  width: 22px;
  height: 1px;
  background: var(--line);
}

.hero h1 {
  max-width: 660px;
  margin-top: 18px;
  font-family: var(--font-serif);
  font-size: 60px;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0;
}

.hero__summary {
  max-width: 580px;
  margin-top: 25px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
}

.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-top: 35px;
  padding-top: 23px;
  border-top: 1px solid var(--line);
}

.hero__points li {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.hero__points svg {
  width: 15px;
  height: 15px;
  color: var(--forest);
  stroke-width: 2.5;
}

.workbench-wrap {
  position: relative;
  min-width: 0;
}

.workbench-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.workbench-caption > span:first-child {
  display: flex;
  align-items: center;
  gap: 7px;
}

.live-dot {
  width: 6px;
  height: 6px;
  background: var(--forest);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(13, 95, 77, 0.1);
}

.workbench {
  overflow: hidden;
  border: 1px solid rgba(20, 40, 37, 0.18);
  border-radius: 8px;
  background: #fbfaf5;
  box-shadow: var(--shadow);
}

.workbench__bar {
  display: grid;
  height: 46px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 15px;
  border-bottom: 1px solid rgba(20, 40, 37, 0.1);
  background: #efede6;
  color: var(--muted);
  font-size: 10px;
}

.window-controls {
  display: flex;
  gap: 5px;
}

.window-controls span {
  width: 6px;
  height: 6px;
  border: 1px solid rgba(20, 40, 37, 0.35);
  border-radius: 50%;
}

.workbench__file {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-weight: 600;
}

.workbench__file svg {
  width: 12px;
  height: 12px;
}

.workbench__status {
  justify-self: end;
  color: #566962;
}

.workbench__body {
  display: grid;
  min-height: 480px;
  grid-template-columns: 156px minmax(0, 1fr);
}

.workbench__sidebar {
  padding: 18px 14px;
  border-right: 1px solid rgba(20, 40, 37, 0.09);
  background: #f3f1ea;
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
}

.sidebar-title svg {
  width: 14px;
  height: 14px;
  color: var(--forest);
}

.dataset-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  padding: 10px 8px;
  border: 1px solid rgba(13, 95, 77, 0.14);
  border-radius: 5px;
  background: rgba(217, 238, 229, 0.6);
}

.dataset-status__icon {
  display: grid;
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--white);
  background: var(--forest);
  border-radius: 50%;
}

.dataset-status__icon svg {
  width: 12px;
  height: 12px;
  stroke-width: 3;
}

.dataset-status > span:last-child {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.25;
}

.dataset-status strong {
  font-size: 10px;
}

.dataset-status small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 8px;
}

.variable-list {
  display: grid;
  gap: 3px;
  margin-top: 16px;
}

.variable-list li {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
  padding: 6px 7px;
  overflow: hidden;
  color: var(--ink-soft);
  border-radius: 3px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.variable-list li:nth-child(2) {
  background: rgba(255, 253, 248, 0.9);
  box-shadow: 0 1px 4px rgba(20, 40, 37, 0.06);
}

.variable-type {
  display: inline-grid;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 8px;
  font-weight: 700;
}

.variable-type--num {
  color: var(--forest);
  background: var(--forest-light);
}

.variable-type--text {
  color: #a9432e;
  background: #f7ded6;
}

.method-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  padding-top: 14px;
  color: var(--muted);
  border-top: 1px solid rgba(20, 40, 37, 0.1);
  font-size: 9px;
  font-weight: 600;
}

.method-chip svg {
  width: 13px;
  height: 13px;
  color: var(--coral);
}

.workbench__main {
  min-width: 0;
  padding: 20px 20px 16px;
}

.workbench-tabs {
  display: flex;
  gap: 14px;
  padding-bottom: 11px;
  color: #5c6f69;
  border-bottom: 1px solid rgba(20, 40, 37, 0.09);
  font-size: 9px;
  font-weight: 600;
}

.workbench-tabs span {
  padding-bottom: 4px;
}

.workbench-tabs .is-active {
  color: var(--forest);
  border-bottom: 1.5px solid var(--forest);
}

.analysis-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
}

.analysis-head p {
  color: #5c6f69;
  font-size: 9px;
}

.analysis-head .analysis-title {
  margin-top: 3px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0;
}

.analysis-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 7px;
  color: var(--forest);
  border: 1px solid rgba(13, 95, 77, 0.12);
  border-radius: 3px;
  background: var(--forest-light);
  font-size: 8px;
  font-weight: 700;
}

.analysis-badge span {
  width: 4px;
  height: 4px;
  background: var(--forest);
  border-radius: 50%;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 17px;
  border-top: 1px solid rgba(20, 40, 37, 0.09);
  border-bottom: 1px solid rgba(20, 40, 37, 0.09);
}

.metric {
  display: flex;
  flex-direction: column;
  padding: 12px 13px;
  border-right: 1px solid rgba(20, 40, 37, 0.09);
}

.metric:last-child {
  border-right: 0;
}

.metric > span {
  color: #5c6f69;
  font-size: 8px;
}

.metric strong {
  margin-top: 3px;
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.2;
}

.metric sup {
  color: var(--coral);
  font-family: var(--font-sans);
  font-size: 8px;
}

.metric small {
  margin-top: 3px;
  color: #5c6f69;
  font-size: 7px;
}

.chart-panel {
  padding: 14px 13px 7px;
  border: 1px solid rgba(20, 40, 37, 0.09);
  border-radius: 5px;
  background: #fffefa;
}

.chart-panel__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.chart-panel__head > div {
  display: flex;
  flex-direction: column;
}

.chart-panel__head > div > span {
  font-size: 10px;
  font-weight: 700;
}

.chart-panel__head small {
  margin-top: 2px;
  color: #5c6f69;
  font-size: 7px;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #566962;
  font-size: 7px;
}

.chart-legend i {
  width: 7px;
  height: 7px;
  background: var(--forest);
  border-radius: 2px;
}

.coefficient-chart {
  width: 100%;
  height: auto;
  margin-top: 2px;
  overflow: visible;
}

.coefficient-chart .chart-grid line {
  stroke: rgba(20, 40, 37, 0.08);
  stroke-width: 1;
  stroke-dasharray: 2 4;
}

.coefficient-chart .chart-axis {
  stroke: rgba(20, 40, 37, 0.23);
  stroke-width: 1;
}

.chart-bars rect {
  fill: rgba(13, 95, 77, 0.2);
  transform-box: fill-box;
  transform-origin: bottom;
  animation: bar-grow 900ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.chart-bars rect:nth-child(2) {
  animation-delay: 90ms;
}

.chart-bars rect:nth-child(3) {
  fill: rgba(13, 95, 77, 0.82);
  animation-delay: 180ms;
}

.chart-bars rect:nth-child(4) {
  animation-delay: 270ms;
}

.chart-bars rect:nth-child(5) {
  animation-delay: 360ms;
}

.chart-labels text,
.chart-values text {
  fill: #72827d;
  font-family: var(--font-sans);
  font-size: 8px;
  text-anchor: middle;
}

.chart-values text {
  fill: var(--ink-soft);
  font-size: 7px;
  font-weight: 700;
}

.result-note {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
  padding: 9px 11px;
  border: 1px solid rgba(239, 107, 77, 0.16);
  border-radius: 4px;
  background: #fdf0eb;
}

.result-note > span {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
  color: #a4432c;
  font-size: 8px;
  font-weight: 700;
}

.result-note svg {
  width: 12px;
  height: 12px;
}

.result-note p {
  color: #7b625a;
  font-size: 8px;
  line-height: 1.55;
}

.workbench-disclaimer {
  margin-top: 9px;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.trust-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.trust-row > * {
  display: flex;
  min-height: 122px;
  align-items: center;
  gap: 14px;
  padding: 22px 26px;
  border-right: 1px solid var(--line);
}

.trust-row > *:last-child {
  border-right: 0;
}

.trust-row__lead {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding-left: 0;
}

.trust-row__lead strong {
  font-family: var(--font-serif);
  font-size: 20px;
}

.trust-row__lead span {
  color: var(--muted);
  font-size: 11px;
}

.trust-item > svg {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  color: var(--forest);
  stroke-width: 1.5;
}

.trust-item > span {
  display: flex;
  flex-direction: column;
  line-height: 1.45;
}

.trust-item strong {
  font-size: 13px;
}

.trust-item small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.challenge-list {
  margin-top: 64px;
  border-top: 1px solid var(--line);
}

.challenge-item {
  display: grid;
  grid-template-columns: 52px 60px minmax(0, 1fr) 40px;
  align-items: center;
  gap: 28px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.challenge-item__index {
  color: #8e9a96;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.challenge-item__icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  color: var(--forest);
  border: 1px solid rgba(13, 95, 77, 0.16);
  border-radius: 50%;
  background: rgba(217, 238, 229, 0.38);
}

.challenge-item__icon svg {
  width: 23px;
  height: 23px;
  stroke-width: 1.7;
}

.challenge-item h3 {
  font-family: var(--font-serif);
  font-size: 24px;
}

.challenge-item p {
  max-width: 760px;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 14px;
}

.challenge-item__arrow {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--forest);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.challenge-item__arrow svg {
  width: 17px;
  height: 17px;
}

.challenge-item:hover .challenge-item__arrow {
  color: var(--white);
  background: var(--forest);
  transform: translateX(4px);
}

.tool-switcher {
  margin-top: 52px;
}

.tool-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.tool-tab {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 14px 18px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background-color 180ms ease;
}

.tool-tab__num {
  color: #97a29f;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.tool-tab > span:last-child {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
}

.tool-tab svg {
  width: 21px;
  height: 21px;
  color: var(--forest);
  stroke-width: 1.8;
}

.tool-tab:hover {
  background: rgba(217, 238, 229, 0.26);
}

.tool-tab.is-active {
  color: var(--forest);
  border-bottom-color: var(--forest);
  background: rgba(217, 238, 229, 0.3);
}

.tool-tab.is-active .tool-tab__num {
  color: var(--forest);
}

.tool-panel {
  display: grid;
  min-height: 570px;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  gap: 78px;
  padding-top: 64px;
}

.tool-panel[hidden] {
  display: none;
}

.tool-panel__copy {
  align-self: center;
}

.tool-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--forest);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.tool-kicker svg {
  width: 16px;
  height: 16px;
}

.tool-panel__copy h3 {
  max-width: 520px;
  margin-top: 16px;
  font-family: var(--font-serif);
  font-size: 33px;
  line-height: 1.35;
}

.tool-panel__copy > p:not(.scope-note) {
  max-width: 510px;
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 15px;
}

.feature-list {
  display: grid;
  gap: 21px;
  margin-top: 30px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-list__icon {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  margin-top: 2px;
  place-items: center;
  color: var(--white);
  background: var(--forest);
  border-radius: 50%;
}

.feature-list__icon svg {
  width: 13px;
  height: 13px;
  stroke-width: 2.8;
}

.feature-list li > span:last-child {
  display: flex;
  flex-direction: column;
}

.feature-list strong {
  font-size: 14px;
}

.feature-list small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.scope-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  max-width: 500px;
  margin-top: 28px;
  padding-top: 18px;
  color: #6f7c78;
  border-top: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.65;
}

.scope-note svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  margin-top: 1px;
  color: var(--forest);
}

.tool-panel__visual {
  align-self: stretch;
  min-width: 0;
  padding: 22px;
  border: 1px solid rgba(20, 40, 37, 0.15);
  border-radius: 8px;
  background: #f9f7f0;
  box-shadow: 0 18px 50px rgba(20, 40, 37, 0.08);
}

.visual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
}

.visual-tag {
  padding: 4px 8px;
  color: var(--forest);
  border: 1px solid rgba(13, 95, 77, 0.15);
  border-radius: 3px;
  background: rgba(217, 238, 229, 0.62);
  font-size: 9px;
}

.model-map {
  position: relative;
  overflow: hidden;
  background: #f1ede3;
}

.model-map::before {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 180px;
  height: 180px;
  border-top: 1px solid rgba(13, 95, 77, 0.08);
  border-left: 1px solid rgba(13, 95, 77, 0.08);
  border-radius: 100% 0 0;
  content: "";
  pointer-events: none;
}

.model-map__canvas {
  display: grid;
  grid-template-columns: 1fr 58px 1fr 58px 1fr;
  align-items: center;
  margin-top: 70px;
}

.model-node {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 150px;
  flex-direction: column;
  justify-content: center;
  padding: 20px 16px;
  border: 1px solid rgba(20, 40, 37, 0.13);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.92);
  text-align: center;
}

.model-node small {
  color: #899692;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
}

.model-node strong {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 20px;
}

.model-node span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
}

.model-node--focus {
  color: var(--white);
  border-color: var(--forest);
  background: var(--forest);
  box-shadow: 0 14px 30px rgba(13, 95, 77, 0.24);
}

.model-node--focus small,
.model-node--focus span {
  color: #b9d9cd;
}

.model-connector {
  position: relative;
  height: 1px;
  background: rgba(13, 95, 77, 0.3);
}

.model-connector::after {
  position: absolute;
  top: -3px;
  right: -1px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--forest);
  border-right: 1px solid var(--forest);
  content: "";
  transform: rotate(45deg);
}

.model-connector span {
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 1px solid var(--forest);
  border-radius: 50%;
}

.method-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.method-cloud span {
  padding: 7px 11px;
  color: var(--ink-soft);
  border: 1px solid rgba(20, 40, 37, 0.12);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.8);
  font-size: 10px;
}

.method-cloud span:nth-child(2),
.method-cloud span:nth-child(4) {
  color: var(--forest);
  border-color: rgba(13, 95, 77, 0.18);
  background: rgba(217, 238, 229, 0.62);
}

.visual-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.visual-foot span {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
}

.visual-foot svg {
  width: 13px;
  height: 13px;
  color: var(--forest);
}

.data-board {
  display: flex;
  flex-direction: column;
  background: #f5f2e9;
}

.mini-toolbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 15px 0 10px;
  color: #8e9a96;
  font-size: 9px;
  font-weight: 600;
}

.mini-toolbar span {
  padding-bottom: 4px;
}

.mini-toolbar .is-active {
  color: var(--forest);
  border-bottom: 1px solid var(--forest);
}

.mini-toolbar__export {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.mini-toolbar__export svg {
  width: 11px;
  height: 11px;
}

.data-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 253, 248, 0.9);
}

.data-overview div {
  display: flex;
  flex-direction: column;
  padding: 16px 14px;
  border-right: 1px solid var(--line);
}

.data-overview div:last-child {
  border-right: 0;
}

.data-overview span {
  color: var(--muted);
  font-size: 8px;
}

.data-overview strong {
  margin-top: 4px;
  font-family: var(--font-serif);
  font-size: 23px;
}

.data-table {
  margin-top: 15px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 253, 248, 0.94);
}

.data-table__row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.9fr;
  align-items: center;
  min-height: 46px;
  border-bottom: 1px solid rgba(20, 40, 37, 0.08);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.data-table__row:last-child {
  border-bottom: 0;
}

.data-table__row > span {
  padding: 8px 12px;
}

.data-table__head {
  min-height: 38px;
  color: var(--muted);
  background: rgba(234, 228, 215, 0.55);
  font-family: var(--font-sans);
  font-size: 8px;
  font-weight: 600;
}

.cell-status {
  justify-self: start;
  margin-left: 10px;
  padding: 3px 7px !important;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 7px;
}

.cell-status.is-good {
  color: var(--forest);
  background: var(--forest-light);
}

.cell-status.is-warn {
  color: #9a4b33;
  background: #fae2d9;
}

.mini-bars {
  display: flex;
  height: 90px;
  align-items: flex-end;
  gap: 10px;
  margin-top: auto;
  padding: 18px 16px 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  background:
    linear-gradient(rgba(20, 40, 37, 0.06) 1px, transparent 1px) 0 0 / 100% 22px,
    rgba(255, 253, 248, 0.78);
}

.mini-bars span {
  width: 100%;
  height: var(--bar);
  background: rgba(13, 95, 77, 0.35);
  border-radius: 2px 2px 0 0;
  animation: bar-rise 900ms ease both;
}

.mini-bars span:nth-child(3),
.mini-bars span:nth-child(6) {
  background: var(--forest);
}

.mini-bars span:nth-child(6) {
  background: var(--coral);
}

.academic-board {
  display: flex;
  flex-direction: column;
  background: #f5f2e9;
}

.academic-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  margin-top: 22px;
}

.document-outline,
.format-check {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 253, 248, 0.93);
}

.document-outline__head,
.format-check__head {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: rgba(234, 228, 215, 0.48);
  font-size: 8px;
  font-weight: 600;
}

.document-outline__head span:first-child,
.format-check__head {
  display: flex;
  align-items: center;
  gap: 6px;
}

.document-outline__head svg,
.format-check__head svg {
  width: 12px;
  height: 12px;
  color: var(--forest);
}

.outline-item {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  color: var(--muted);
  border-bottom: 1px solid rgba(20, 40, 37, 0.07);
  font-size: 9px;
}

.outline-item:last-child {
  border-bottom: 0;
}

.outline-item span {
  color: #9ca6a3;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
}

.outline-item.is-done {
  color: var(--ink-soft);
}

.outline-item.is-current {
  color: var(--forest);
  background: var(--forest-light);
  font-weight: 700;
}

.outline-item.is-current span {
  color: var(--forest);
}

.format-check ul {
  padding: 5px 13px;
}

.format-check li {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid rgba(20, 40, 37, 0.07);
  color: var(--muted);
  font-size: 8px;
}

.format-check li:last-child {
  border-bottom: 0;
}

.format-check li strong {
  color: var(--forest);
  font-size: 7px;
  font-weight: 600;
}

.format-check li .is-warn {
  color: #a44b33;
}

.reference-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  padding: 15px;
  border: 1px solid rgba(13, 95, 77, 0.1);
  border-radius: 5px;
  background: rgba(217, 238, 229, 0.4);
}

.reference-strip__label {
  margin-right: 4px;
  color: var(--forest);
  font-size: 8px;
  font-weight: 700;
}

.reference-chip {
  padding: 4px 8px;
  border: 1px dashed rgba(13, 95, 77, 0.32);
  border-radius: 3px;
  background: rgba(255, 253, 248, 0.88);
  font-size: 8px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 62px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.process-step {
  position: relative;
  min-height: 330px;
  padding: 28px 26px 24px;
  border-right: 1px solid var(--line-dark);
}

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

.process-step__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.process-step__top svg {
  width: 30px;
  height: 30px;
  color: #8ecbb6;
  stroke-width: 1.4;
}

.process-step__num {
  color: #7da397;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.process-step h3 {
  margin-top: 48px;
  font-family: var(--font-serif);
  font-size: 24px;
}

.process-step p {
  margin-top: 13px;
  color: #adc2ba;
  font-size: 13px;
}

.process-step__tag {
  position: absolute;
  bottom: 23px;
  left: 26px;
  color: #6e988a;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  letter-spacing: 0.14em;
}

.process-step::after {
  position: absolute;
  right: -5px;
  bottom: 42px;
  z-index: 1;
  width: 8px;
  height: 8px;
  background: var(--forest-deep);
  border: 1px solid #659785;
  border-radius: 50%;
  content: "";
}

.process-step:last-child::after {
  display: none;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}

.audience-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.68);
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background-color 200ms ease;
}

.audience-card:hover {
  border-color: rgba(13, 95, 77, 0.35);
  background: var(--white);
  transform: translateY(-5px);
}

.audience-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.audience-card__index {
  color: #98a29f;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.audience-card__icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--forest);
  border: 1px solid rgba(13, 95, 77, 0.15);
  border-radius: 50%;
  background: rgba(217, 238, 229, 0.45);
}

.audience-card__icon svg {
  width: 21px;
  height: 21px;
  stroke-width: 1.7;
}

.audience-card h3 {
  margin-top: 34px;
  font-family: var(--font-serif);
  font-size: 27px;
}

.audience-card p {
  min-height: 102px;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 13px;
}

.audience-card__scenes {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.audience-card__scenes span {
  padding: 5px 9px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9px;
}

.company-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(390px, 0.82fr);
  align-items: start;
  gap: 84px;
}

.company-intro {
  max-width: 700px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.9;
}

.company-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 38px;
  border-top: 1px solid var(--line);
}

.company-facts div {
  padding: 20px 16px 20px 0;
  border-bottom: 1px solid var(--line);
}

.company-facts div:nth-child(odd) {
  margin-right: 22px;
  border-right: 1px solid var(--line);
}

.company-facts dt {
  color: var(--muted);
  font-size: 10px;
}

.company-facts dd {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
}

.principle-panel {
  overflow: hidden;
  border-radius: 8px;
  background: var(--forest);
  box-shadow: 0 18px 45px rgba(13, 95, 77, 0.2);
}

.principle-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 19px 22px;
  color: #d3e9df;
  border-bottom: 1px solid var(--line-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.principle-panel__head svg {
  width: 18px;
  height: 18px;
}

.principle-panel ul {
  padding: 4px 22px;
}

.principle-panel li {
  display: flex;
  gap: 15px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line-dark);
}

.principle-panel li > span {
  padding-top: 2px;
  color: #84b7a7;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.principle-panel li strong {
  color: var(--white);
  font-size: 14px;
}

.principle-panel li p {
  margin-top: 4px;
  color: #b4ccc3;
  font-size: 11px;
}

.principle-panel__notice {
  margin: 18px 22px 22px;
  padding: 13px 14px;
  color: #c4d9d1;
  border: 1px solid var(--line-dark);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 10px;
  line-height: 1.65;
}

.contact-band {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 56px 100%,
    var(--forest);
}

.contact-band__inner {
  display: grid;
  min-height: 350px;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 80px;
}

.contact-band h2 {
  font-size: 47px;
}

.contact-band__side {
  max-width: 450px;
  padding-left: 38px;
  border-left: 1px solid var(--line-dark);
}

.contact-band__side > p {
  margin-bottom: 23px;
  color: #c3d9d1;
  font-size: 14px;
}

.contact-band__side small {
  display: block;
  margin-top: 15px;
  color: #9fc3b6;
  font-size: 10px;
  line-height: 1.65;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
  align-items: start;
  gap: 100px;
}

.faq-heading {
  position: sticky;
  top: 110px;
}

.faq-heading h2 {
  font-size: 40px;
}

.faq-heading > p:last-child {
  max-width: 300px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
}

.accordion {
  border-top: 1px solid var(--line);
}

.accordion-item {
  border-bottom: 1px solid var(--line);
}

.accordion-trigger {
  display: flex;
  width: 100%;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  text-align: left;
}

.accordion-icon {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--forest);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.accordion-icon svg {
  width: 16px;
  height: 16px;
}

.accordion-item.is-open .accordion-icon {
  color: var(--white);
  background: var(--forest);
  transform: rotate(180deg);
}

.accordion-panel {
  overflow: hidden;
}

.accordion-panel > div {
  padding: 0 60px 27px 0;
}

.accordion-panel p {
  color: var(--ink-soft);
  font-size: 14px;
}

.site-footer {
  color: #d5e3de;
  background: #0b2c25;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 60px;
  padding: 64px 0 54px;
}

.brand--footer .brand-mark {
  background: #174a3e;
}

.brand--footer .brand-copy strong {
  color: var(--white);
}

.brand--footer .brand-copy small {
  color: #86a69b;
}

.footer-brand > p {
  margin-top: 20px;
  color: #8eaea3;
  font-size: 11px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 12px 20px;
}

.footer-nav a {
  color: #aec4bc;
  font-size: 12px;
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-company {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  padding-left: 26px;
  border-left: 1px solid var(--line-dark);
}

.footer-company span {
  color: #86a69b;
  font-size: 9px;
}

.footer-company strong {
  margin-top: 8px;
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 17px;
}

.footer-company small {
  margin-top: 8px;
  color: #8eaea3;
  font-size: 10px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 18px 0 24px;
  color: #79988e;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 9px;
}

.mobile-action {
  display: none;
}

.modal {
  position: fixed;
  z-index: 500;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 30, 25, 0.64);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal__dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  padding: 36px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 30px 90px rgba(5, 30, 24, 0.3);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  padding: 0;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.modal__close svg {
  width: 17px;
  height: 17px;
}

.modal__icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  place-items: center;
  color: var(--white);
  background: var(--forest);
  border-radius: 50%;
}

.modal__icon svg {
  width: 20px;
  height: 20px;
}

.modal h2 {
  margin-top: 10px;
  font-size: 34px;
}

.modal__intro {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 13px;
}

.consult-checklist {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--line);
  overflow: hidden;
}

.consult-checklist li {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 48px;
  padding: 10px 14px;
  background: var(--white);
  font-size: 12px;
}

.consult-checklist li span {
  color: var(--forest);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.modal__note {
  margin-top: 18px;
  padding: 11px 13px;
  color: #7e6b64;
  border-left: 3px solid var(--coral);
  background: #fcf0eb;
  font-size: 10px;
}

.modal__actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.toast {
  position: fixed;
  z-index: 700;
  right: 24px;
  bottom: 24px;
  max-width: calc(100% - 48px);
  padding: 11px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 5px;
  box-shadow: 0 10px 30px rgba(20, 40, 37, 0.24);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

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

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@keyframes bar-grow {
  from {
    transform: scaleY(0);
    opacity: 0.3;
  }
  to {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes bar-rise {
  from {
    transform: scaleY(0);
    transform-origin: bottom;
  }
  to {
    transform: scaleY(1);
    transform-origin: bottom;
  }
}

@media (max-width: 1100px) {
  .desktop-nav {
    gap: 20px;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(450px, 1.1fr);
    gap: 36px;
  }

  .hero h1 {
    font-size: 50px;
  }

  .workbench__body {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .tool-panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    gap: 45px;
  }

  .company-layout {
    gap: 54px;
  }

  .faq-layout {
    gap: 60px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .section {
    padding: 82px 0;
  }

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

  .menu-toggle {
    display: flex;
  }

  .mobile-nav {
    display: block;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid transparent;
    transition:
      max-height 260ms ease,
      border-color 260ms ease;
  }

  .site-header.is-menu-open .mobile-nav {
    max-height: 410px;
    border-color: var(--line);
  }

  .mobile-nav__inner {
    display: grid;
    gap: 0;
    padding-top: 8px;
    padding-bottom: 20px;
  }

  .mobile-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    font-weight: 600;
  }

  .mobile-nav .button {
    margin-top: 16px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 40px);
  }

  .hero::after {
    display: none;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
    min-height: 0;
    padding-bottom: 56px;
  }

  .hero__copy {
    max-width: 660px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .workbench-wrap {
    width: 100%;
    max-width: 650px;
  }

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

  .trust-row__lead {
    display: none;
  }

  .trust-row > * {
    min-height: 100px;
    padding: 18px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .split-heading > p {
    max-width: 650px;
  }

  .section-heading h2,
  .company-copy h2,
  .contact-band h2 {
    font-size: 39px;
  }

  .challenge-list {
    margin-top: 45px;
  }

  .tool-panel {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 42px;
    padding-top: 46px;
  }

  .tool-panel__copy {
    max-width: 650px;
  }

  .tool-panel__visual {
    min-height: 490px;
  }

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

  .process-step:nth-child(2) {
    border-right: 0;
  }

  .process-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-dark);
  }

  .audience-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .audience-card p {
    min-height: 0;
  }

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

  .principle-panel {
    max-width: 620px;
  }

  .contact-band__inner {
    min-height: 400px;
    grid-template-columns: 1fr;
    gap: 38px;
    padding-top: 65px;
    padding-bottom: 65px;
  }

  .contact-band__side {
    max-width: 600px;
    padding-top: 30px;
    padding-left: 0;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .faq-heading {
    position: static;
  }

  .faq-heading > p:last-child {
    max-width: 520px;
  }

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

  .footer-company {
    grid-column: 1 / -1;
    padding-top: 24px;
    padding-left: 0;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }
}

@media (max-width: 620px) {
  html {
    scroll-padding-top: 78px;
  }

  body {
    padding-bottom: 74px;
    font-size: 15px;
  }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 68px 0;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-copy strong {
    font-size: 18px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 29px);
  }

  .entity-line {
    gap: 7px;
    margin-bottom: 28px;
    font-size: 10px;
    line-height: 1.6;
  }

  .entity-line__divider {
    width: 12px;
  }

  .hero h1 {
    margin-top: 15px;
    font-size: 40px;
    line-height: 1.27;
  }

  .hero__summary {
    margin-top: 20px;
    font-size: 15px;
    line-height: 1.85;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
    margin-top: 27px;
  }

  .hero__actions .button {
    width: 100%;
  }

  .hero__actions .text-link {
    align-self: flex-start;
  }

  .hero__points {
    gap: 12px 17px;
    margin-top: 26px;
    padding-top: 19px;
  }

  .hero__points li {
    font-size: 12px;
  }

  .hero__inner {
    gap: 36px;
    padding-bottom: 42px;
  }

  .workbench-caption {
    font-size: 9px;
  }

  .workbench-caption > span:last-child {
    display: none;
  }

  .workbench__bar {
    height: 40px;
    padding: 0 10px;
  }

  .window-controls {
    display: none;
  }

  .workbench__bar {
    grid-template-columns: 1fr auto;
  }

  .workbench__body {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .workbench__sidebar {
    display: none;
  }

  .workbench__main {
    padding: 15px 12px 12px;
  }

  .workbench-tabs {
    gap: 10px;
    font-size: 8px;
  }

  .analysis-head {
    margin-top: 14px;
  }

  .analysis-head .analysis-title {
    font-size: 18px;
  }

  .analysis-badge {
    padding: 3px 5px;
    font-size: 7px;
  }

  .metric-row {
    margin-top: 14px;
  }

  .metric {
    padding: 10px 8px;
  }

  .metric > span {
    font-size: 7px;
  }

  .metric strong {
    font-size: 17px;
  }

  .metric small {
    font-size: 6px;
  }

  .chart-panel {
    padding: 11px 8px 4px;
  }

  .coefficient-chart {
    min-height: 140px;
  }

  .result-note {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    padding: 8px 9px;
  }

  .workbench-disclaimer {
    font-size: 8px;
    text-align: left;
  }

  .trust-row {
    grid-template-columns: 1fr;
    border-top: 0;
  }

  .trust-row > * {
    min-height: 76px;
    padding: 16px 0;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .trust-row > *:last-child {
    border-bottom: 1px solid var(--line);
  }

  .trust-item > svg {
    width: 22px;
    height: 22px;
  }

  .trust-item strong {
    font-size: 12px;
  }

  .eyebrow {
    font-size: 11px;
  }

  .section-heading h2,
  .company-copy h2,
  .contact-band h2,
  .faq-heading h2 {
    margin-top: 13px;
    font-size: 31px;
    line-height: 1.32;
  }

  .section-heading > p:last-child {
    margin-top: 17px;
    font-size: 14px;
  }

  .challenge-list {
    margin-top: 34px;
  }

  .challenge-item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 13px;
    padding: 24px 0;
  }

  .challenge-item__index {
    align-self: start;
    padding-top: 7px;
    font-size: 9px;
  }

  .challenge-item__icon {
    display: none;
  }

  .challenge-item h3 {
    font-size: 21px;
  }

  .challenge-item p {
    margin-top: 5px;
    font-size: 13px;
  }

  .challenge-item__arrow {
    display: none;
  }

  .tool-switcher {
    margin-top: 32px;
  }

  .tool-tabs {
    gap: 0;
  }

  .tool-tab {
    min-height: 70px;
    flex-direction: column;
    gap: 4px;
    padding: 10px 3px;
  }

  .tool-tab__num {
    font-size: 8px;
  }

  .tool-tab > span:last-child {
    gap: 4px;
    flex-direction: column;
    font-size: 14px;
    text-align: center;
  }

  .tool-tab svg {
    width: 18px;
    height: 18px;
  }

  .tool-panel {
    gap: 32px;
    padding-top: 35px;
  }

  .tool-panel__copy h3 {
    margin-top: 12px;
    font-size: 27px;
  }

  .tool-panel__copy > p:not(.scope-note) {
    margin-top: 12px;
    font-size: 14px;
  }

  .feature-list {
    gap: 17px;
    margin-top: 24px;
  }

  .feature-list strong {
    font-size: 13px;
  }

  .feature-list small {
    font-size: 11px;
  }

  .scope-note {
    margin-top: 22px;
    padding-top: 15px;
  }

  .tool-panel__visual {
    min-height: 420px;
    padding: 15px;
  }

  .model-map__canvas {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 24px;
  }

  .model-node {
    min-height: 86px;
    padding: 12px;
  }

  .model-node strong {
    margin-top: 4px;
    font-size: 18px;
  }

  .model-connector {
    width: 1px;
    height: 20px;
    justify-self: center;
  }

  .model-connector::after {
    top: auto;
    right: -3px;
    bottom: -1px;
    transform: rotate(135deg);
  }

  .model-connector span {
    top: 0;
    left: -4px;
  }

  .method-cloud {
    margin-top: 24px;
    gap: 6px;
  }

  .method-cloud span {
    padding: 5px 8px;
    font-size: 9px;
  }

  .visual-foot {
    margin-top: 25px;
  }

  .mini-toolbar {
    gap: 12px;
  }

  .data-overview strong {
    font-size: 19px;
  }

  .data-table__row {
    grid-template-columns: 1.1fr 0.7fr 0.7fr 0.8fr;
    font-size: 8px;
  }

  .data-table__row > span {
    padding: 8px 7px;
  }

  .cell-status {
    margin-left: 5px;
    padding: 3px 5px !important;
  }

  .mini-bars {
    min-height: 80px;
  }

  .academic-layout {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 16px;
  }

  .outline-item {
    min-height: 40px;
  }

  .format-check li {
    min-height: 36px;
  }

  .reference-strip {
    margin-top: 13px;
    padding: 12px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    margin-top: 35px;
  }

  .process-step {
    min-height: 230px;
    padding: 22px 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .process-step:last-child {
    border-bottom: 0;
  }

  .process-step h3 {
    margin-top: 26px;
    font-size: 22px;
  }

  .process-step::after {
    display: none;
  }

  .audience-grid {
    margin-top: 34px;
  }

  .audience-card {
    padding: 22px;
  }

  .audience-card h3 {
    margin-top: 22px;
    font-size: 24px;
  }

  .audience-card__scenes {
    margin-top: 18px;
  }

  .company-intro {
    margin-top: 17px;
    font-size: 14px;
  }

  .company-facts {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .company-facts div,
  .company-facts div:nth-child(odd) {
    margin-right: 0;
    padding: 16px 0;
    border-right: 0;
  }

  .principle-panel__head {
    padding: 16px 18px;
  }

  .principle-panel ul {
    padding: 3px 18px;
  }

  .principle-panel li {
    padding: 17px 0;
  }

  .principle-panel__notice {
    margin: 15px 18px 18px;
  }

  .contact-band__inner {
    min-height: 0;
    gap: 30px;
    padding-top: 54px;
    padding-bottom: 58px;
  }

  .contact-band__side {
    padding-top: 25px;
  }

  .contact-band__side .button {
    width: 100%;
  }

  .faq-layout {
    gap: 33px;
  }

  .accordion-trigger {
    min-height: 73px;
    gap: 16px;
    font-size: 16px;
  }

  .accordion-panel > div {
    padding: 0 0 22px;
  }

  .accordion-panel p {
    font-size: 13px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 38px;
  }

  .footer-nav {
    max-width: 260px;
  }

  .footer-company {
    grid-column: auto;
    padding-top: 21px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    padding-bottom: 25px;
  }

  .mobile-action {
    position: fixed;
    z-index: 80;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    min-height: 74px;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px max(14px, env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: rgba(255, 253, 248, 0.96);
    box-shadow: 0 -12px 30px rgba(20, 40, 37, 0.08);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .mobile-action > div {
    display: flex;
    min-width: 0;
    flex-direction: column;
    line-height: 1.35;
  }

  .mobile-action > div span {
    overflow: hidden;
    color: var(--muted);
    font-size: 8px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-action > div strong {
    margin-top: 2px;
    font-size: 12px;
  }

  .mobile-action .button {
    min-height: 42px;
    flex: 0 0 auto;
    padding: 10px 12px;
    font-size: 12px;
  }

  .modal {
    padding: 14px;
  }

  .modal__dialog {
    max-height: calc(100vh - 28px);
    padding: 28px 22px 24px;
  }

  .modal h2 {
    font-size: 28px;
  }

  .modal__actions {
    flex-direction: column;
  }

  .modal__actions .button {
    width: 100%;
  }

  .toast {
    right: 14px;
    bottom: 88px;
    left: 14px;
    text-align: center;
  }
}

@media (max-width: 370px) {
  .container {
    width: min(calc(100% - 22px), var(--container));
  }

  .hero h1 {
    font-size: 35px;
  }

  .tool-tab > span:last-child {
    font-size: 12px;
  }

  .tool-tab svg {
    display: none;
  }

  .mobile-action > div {
    display: none;
  }

  .mobile-action .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .hero__actions,
  .mobile-action,
  .modal,
  .toast {
    display: none !important;
  }

  body {
    padding-bottom: 0;
  }

  .section {
    padding: 40px 0;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
