@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;700&display=swap");

:root {
  --bg: #f5efe3;
  --bg-strong: #efe4ce;
  --surface: rgba(255, 251, 243, 0.92);
  --surface-strong: #fffaf0;
  --text: #1f1b16;
  --muted: #6d6255;
  --line: rgba(63, 45, 23, 0.12);
  --brand: #155eef;
  --brand-2: #d97706;
  --success: #217a4d;
  --danger: #bf3f34;
  --shadow: 0 18px 50px rgba(41, 26, 9, 0.12);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(217, 119, 6, 0.18), transparent 26%),
    radial-gradient(circle at top right, rgba(21, 94, 239, 0.18), transparent 24%),
    linear-gradient(180deg, #f9f4ea, #f2e7d3 52%, #f6efe5 100%);
  min-height: 100vh;
}

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

img {
  max-width: 100%;
}

.container {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.site-shell {
  position: relative;
  overflow: clip;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(249, 244, 234, 0.82);
  border-bottom: 1px solid rgba(63, 45, 23, 0.08);
}

.site-header__inner,
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
}

.brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), #48a3ff);
  color: #fff;
  box-shadow: 0 12px 28px rgba(21, 94, 239, 0.25);
}

.brand__text strong {
  display: block;
  font-size: 1rem;
}

.brand__text span {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.nav__lang {
  width: auto;
  min-width: 116px;
  min-height: 40px;
  padding: 8px 34px 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(63, 45, 23, 0.12);
  background: rgba(255, 255, 255, 0.82);
  margin-left: 2px;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}

.hero {
  padding: 64px 0 36px;
}

.hero__grid,
.section-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}

.hero__content h1,
.page-hero h1,
.section-title h2 {
  margin: 0 0 16px;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(2.2rem, 4vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.home-promo-title {
  font-size: clamp(1.95rem, 3.05vw, 4rem) !important;
  max-width: 10.2em;
  line-height: 1.14 !important;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero__content p,
.page-hero p,
.card p,
.rich-text p,
.result p,
.calc-intro p {
  color: var(--muted);
  line-height: 1.75;
}

.hero__actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button,
button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), #2a78ff);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(21, 94, 239, 0.2);
}

.button--secondary,
.button.secondary {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  border: 1px solid rgba(63, 45, 23, 0.1);
  box-shadow: none;
}

.hero-card,
.card,
.calc-card,
.content-card,
.ad-card,
.result,
.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 26px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.metric {
  padding: 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(63, 45, 23, 0.08);
}

.metric strong {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.metric span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 24px 0 56px;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.section-title p {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.catalog-shell {
  display: grid;
  gap: 30px;
}

.catalog-group {
  display: grid;
  gap: 18px;
}

.catalog-group__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.catalog-group__head h2 {
  margin: 10px 0 0;
}

.catalog-group__head p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
}

.catalog-group__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.calc-card,
.content-card {
  padding: 22px;
}

.section-grid > .content-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.section-grid > .content-card .list {
  margin-top: 6px;
  flex: 1;
}

.feature-panel {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border-radius: 32px;
}

.feature-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.feature-panel .badge {
  position: relative;
  z-index: 1;
  margin-bottom: 18px;
}

.feature-panel h3,
.feature-panel .list {
  position: relative;
  z-index: 1;
}

.feature-panel h3 {
  font-size: clamp(1.35rem, 1.75vw, 1.95rem);
  line-height: 1.22;
  letter-spacing: -0.03em;
  max-width: none;
  text-wrap: balance;
}

.feature-panel .list {
  display: grid;
  gap: 14px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.feature-panel .list li {
  position: relative;
  padding: 16px 18px 16px 48px;
  border-radius: 20px;
  line-height: 1.7;
}

.feature-panel .list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 19px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.feature-panel--clarity {
  background:
    radial-gradient(circle at 88% 18%, rgba(213, 146, 53, 0.16), transparent 24%),
    linear-gradient(145deg, rgba(255, 250, 244, 0.98), rgba(255, 246, 232, 0.92));
  border-color: rgba(197, 138, 57, 0.12);
}

.feature-panel--clarity::before {
  background:
    linear-gradient(180deg, rgba(221, 164, 79, 0.12), transparent 26%),
    radial-gradient(circle at left bottom, rgba(255, 255, 255, 0.76), transparent 40%);
}

.feature-panel--clarity .badge {
  background: rgba(238, 197, 138, 0.34);
  color: #99611d;
}

.feature-panel--clarity .list li {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(197, 138, 57, 0.1);
}

.feature-panel--clarity .list li::before {
  background: linear-gradient(180deg, #cb8a24, #e2a847);
  box-shadow: 0 0 0 5px rgba(226, 168, 71, 0.12);
}

.feature-panel--ease {
  background:
    radial-gradient(circle at 14% 0%, rgba(49, 133, 255, 0.13), transparent 28%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 255, 0.94));
  border-color: rgba(72, 125, 214, 0.12);
}

.feature-panel--ease::before {
  background:
    linear-gradient(180deg, rgba(92, 145, 240, 0.08), transparent 22%),
    radial-gradient(circle at right bottom, rgba(255, 255, 255, 0.92), transparent 42%);
}

.feature-panel--ease .badge {
  background: rgba(156, 190, 244, 0.28);
  color: #295d9e;
}

.feature-panel--ease .list li {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(72, 125, 214, 0.08);
}

.feature-panel--ease .list li::before {
  background: linear-gradient(180deg, #3d87f4, #7ab1ff);
  box-shadow: 0 0 0 5px rgba(85, 147, 244, 0.12);
}

.card h3,
.calc-card h3,
.content-card h3,
.calc-layout h2,
.rich-text h2,
.rich-text h3 {
  margin: 0 0 12px;
}

.calc-card {
  position: relative;
  overflow: hidden;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.calc-card::after {
  content: "";
  position: absolute;
  inset: auto -36px -36px auto;
  width: 110px;
  height: 110px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.18), rgba(37, 99, 235, 0));
  opacity: 0;
  transition: opacity 180ms ease, transform 180ms ease;
  transform: translate(8px, 8px);
}

.calc-card:hover,
.calc-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.18);
  box-shadow: 0 26px 54px rgba(53, 37, 13, 0.16);
}

.calc-card:hover::after,
.calc-card:focus-visible::after {
  opacity: 1;
  transform: translate(0, 0);
}

.calc-card h3,
.calc-card p,
.calc-card .tag-row,
.calc-card .badge {
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(217, 119, 6, 0.12);
  color: #8a4d00;
  font-size: 0.88rem;
  font-weight: 600;
}

.page-hero {
  padding: 52px 0 26px;
}

.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.breadcrumb a {
  color: var(--muted);
}

.calc-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.75fr;
  gap: 22px;
  padding-bottom: 54px;
}

.calc-form {
  padding: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

label {
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(63, 45, 23, 0.14);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 140px;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.result {
  padding: 24px;
  position: sticky;
  top: 94px;
}

.result__grid {
  display: grid;
  gap: 14px;
}

.result__item {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(63, 45, 23, 0.08);
  min-width: 0;
}

.result__item strong {
  display: block;
  font-size: clamp(1.1rem, 1.45vw, 1.7rem);
  margin-top: 6px;
  line-height: 1.12;
  letter-spacing: -0.03em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  overflow: visible;
  text-overflow: clip;
}

.result__item small {
  color: var(--muted);
}

.ad-card {
  padding: 18px 20px;
  margin: 16px 0 0;
  border-style: dashed;
}

.calc-page {
  padding-bottom: 64px;
}

.calc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 24px;
}

.calc-main {
  display: grid;
  gap: 22px;
}

.calc-sidebar {
  display: grid;
  gap: 18px;
  align-content: start;
}

.calc-hero-card {
  padding: 28px;
  background:
    radial-gradient(circle at top left, rgba(217, 119, 6, 0.14), transparent 26%),
    linear-gradient(180deg, rgba(255, 250, 240, 0.97), rgba(255, 255, 255, 0.9));
}

.calc-hero-card h1 {
  margin-bottom: 12px;
}

.calc-hero-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.calc-hero-card__quick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.mini-stat {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(63, 45, 23, 0.08);
}

.mini-stat strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}

.mini-stat span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.kpi-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(63, 45, 23, 0.08);
  min-width: 0;
}

.kpi-card small {
  color: var(--muted);
}

.kpi-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(1rem, 1.45vw, 1.58rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.toggle-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.toggle {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(63, 45, 23, 0.12);
  background: rgba(255, 255, 255, 0.9);
  color: var(--muted);
  cursor: pointer;
}

.toggle.is-active {
  color: #fff;
  background: linear-gradient(135deg, #0f766e, #22a17a);
  border-color: transparent;
}

.chart-card {
  padding: 24px;
}

.chart-card__head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: end;
  margin-bottom: 16px;
}

.chart-card__head p,
.table-card p,
.faq-card p {
  color: var(--muted);
}

.chart-svg {
  width: 100%;
  height: 260px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(21, 94, 239, 0.05), rgba(21, 94, 239, 0)),
    repeating-linear-gradient(to right, rgba(63, 45, 23, 0.06), rgba(63, 45, 23, 0.06) 1px, transparent 1px, transparent 12.5%),
    repeating-linear-gradient(to bottom, rgba(63, 45, 23, 0.06), rgba(63, 45, 23, 0.06) 1px, transparent 1px, transparent 20%);
  border: 1px solid rgba(63, 45, 23, 0.08);
}

.chart-stage {
  position: relative;
}

.chart-tooltip {
  position: absolute;
  min-width: 236px;
  max-width: 300px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(31, 27, 22, 0.94);
  color: #fff;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.24);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, calc(-100% - 16px));
  transition: opacity 120ms ease;
  z-index: 4;
}

.chart-tooltip.is-visible {
  opacity: 1;
}

.chart-tooltip strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.98rem;
}

.chart-tooltip div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  line-height: 1.55;
  white-space: nowrap;
}

.chart-tooltip small {
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
  flex: 0 0 auto;
}

.chart-tooltip span {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  flex: 0 0 auto;
}

.chart-hover-line {
  stroke: rgba(31, 27, 22, 0.28);
  stroke-dasharray: 6 5;
  stroke-width: 2;
}

.chart-axis-note {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.chart-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.insight-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(63, 45, 23, 0.08);
}

.insight-card strong {
  display: block;
  margin-bottom: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(63, 45, 23, 0.08);
}

.data-table thead th {
  background: #1f2d3d;
  color: #fff;
  font-weight: 600;
}

.data-table tbody tr:nth-child(2n) td {
  background: rgba(255, 255, 255, 0.55);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(63, 45, 23, 0.08);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-item p {
  margin: 12px 0 0;
}

.sticky-card {
  position: sticky;
  top: 94px;
}

.result-panel {
  padding: 22px;
}

.disclaimer {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(217, 119, 6, 0.1);
  border: 1px solid rgba(217, 119, 6, 0.14);
  color: #8a4d00;
  font-size: 0.94rem;
  line-height: 1.7;
}

.article-grid {
  display: grid;
  gap: 18px;
}

.article-block {
  padding: 24px;
}

.article-block h3,
.article-block h2 {
  margin-top: 0;
}

.article-block ul {
  margin: 0;
}

.ad-card code {
  word-break: break-word;
}

.list {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  color: var(--muted);
}

.site-footer {
  margin-top: 28px;
  border-top: 1px solid rgba(63, 45, 23, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(248, 241, 229, 0.92)),
    radial-gradient(circle at top left, rgba(226, 173, 91, 0.18), transparent 34%);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, 0.95fr);
  align-items: start;
  gap: 36px;
  padding: 28px 0 18px;
}

.site-footer__brand {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  padding: 6px 0;
}

.site-footer__mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(180deg, #2d6bff, #2152de);
  color: #fff;
  font-size: 1.7rem;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(33, 82, 222, 0.18);
}

.site-footer__brand-copy {
  display: grid;
  gap: 8px;
}

.site-footer__brand strong,
.site-footer__meta strong {
  display: block;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.site-footer__brand p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
  max-width: 40ch;
}

.site-footer__aside {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.site-footer__meta {
  min-width: 0;
  padding: 6px 0;
}

.site-footer__links {
  display: grid;
  gap: 10px;
}

.site-footer__list {
  display: grid;
  gap: 10px;
}

.site-footer__list span,
.site-footer__links a {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.site-footer__list a,
.site-footer__links a {
  text-decoration: none;
  transition: color 180ms ease, transform 180ms ease;
}

.site-footer__list a:hover,
.site-footer__links a:hover {
  color: var(--copy);
  transform: translateX(2px);
}

.site-footer__bottom {
  padding: 0 0 22px;
}

.site-footer small {
  color: var(--muted);
  display: block;
  padding-top: 14px;
  border-top: 1px solid rgba(63, 45, 23, 0.08);
}

.notice {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(21, 94, 239, 0.08);
  border: 1px solid rgba(21, 94, 239, 0.12);
  color: #1949af;
}

.search-row {
  display: flex;
  gap: 12px;
  margin: 18px 0 24px;
}

.search-row input {
  flex: 1;
}

.tag-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(63, 45, 23, 0.06);
  color: var(--muted);
  font-size: 0.88rem;
}

.consent-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  display: none;
}

.consent-banner.is-visible {
  display: block;
}

.consent-banner__inner {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 18px;
  border-radius: 22px;
  background: rgba(28, 24, 20, 0.94);
  color: #fff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.consent-banner__inner p {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.82);
}

@media (max-width: 980px) {
  .hero__grid,
  .section-grid,
  .calc-layout,
  .cards,
  .catalog-group__grid,
  .calc-shell,
  .kpi-grid,
  .calc-hero-card__quick,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .result {
    position: static;
  }

  .sticky-card {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header__inner,
  .section-title,
  .catalog-group__head,
  .search-row,
  .hero__actions,
  .button-row {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    width: auto;
    align-self: flex-start;
  }

  .site-footer__brand {
    grid-template-columns: 52px minmax(0, 1fr);
  }

  .site-footer__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 0 14px;
  }

  .site-footer__mark {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    font-size: 1.45rem;
  }

  .nav__lang {
    min-width: 108px;
  }

  .form-grid,
  .hero-metrics,
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .page-hero {
    padding-top: 36px;
  }

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

  .site-footer__brand,
  .site-footer__meta {
    padding: 0;
  }

  .site-footer__brand p,
  .site-footer__list span,
  .site-footer__links a,
  .site-footer small {
    font-size: 0.94rem;
  }
}