body.platform-shell-page {
  min-height: 100%;
  background: var(--platform-canvas);
  color: var(--platform-text-primary);
  font-family: var(--font-latin), var(--font-zh);
}

body.platform-shell-page .site-light-field {
  display: block;
}

body.platform-shell-page .site-main {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 120px);
  overflow: clip;
  padding-top: 106px;
  background: transparent;
}

body.platform-shell-page .site-header {
  inset: 18px max(24px, calc((100vw - var(--page-width)) / 2)) auto;
  width: auto;
  height: 70px;
  grid-template-columns: 176px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  background: var(--glass-frosted-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.92) inset,
    0 -1px 0 var(--glass-bottom-edge) inset,
    0 14px 42px rgba(48, 51, 60, 0.075);
  -webkit-backdrop-filter: blur(var(--glass-frosted-blur)) saturate(138%);
  backdrop-filter: blur(var(--glass-frosted-blur)) saturate(138%);
  transition:
    background-color var(--motion-standard) var(--ease-standard),
    box-shadow var(--motion-standard) var(--ease-standard),
    backdrop-filter var(--motion-standard) var(--ease-standard);
}

body.platform-shell-page .site-header::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), transparent 9%),
    radial-gradient(ellipse at 18% 0%, rgba(255, 255, 255, 0.7), transparent 38%),
    linear-gradient(104deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.02) 39%, rgba(255, 255, 255, 0.24) 68%, transparent);
  opacity: 0.55;
}

body.platform-shell-page .site-header::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.96) inset,
    0 2px 0 rgba(255, 255, 255, 0.22) inset,
    0 -1px 0 var(--glass-bottom-edge) inset,
    1px 0 0 rgba(255, 255, 255, 0.48) inset,
    -1px 0 0 rgba(62, 66, 74, 0.06) inset;
}

body.platform-shell-page .brand-link,
body.platform-shell-page .site-nav,
body.platform-shell-page .menu-toggle {
  position: relative;
  z-index: 1;
}

body.platform-shell-page .brand-link {
  gap: 11px;
  border-right: 0;
  padding-inline: 26px;
  color: var(--platform-text-primary);
}

body.platform-shell-page .brand-mark {
  width: 34px;
  height: 34px;
}

body.platform-shell-page .brand-word {
  font-family: var(--font-latin), var(--font-zh);
  font-size: 23px;
  font-weight: 820;
  letter-spacing: 0;
}

body.platform-shell-page .site-nav {
  align-items: center;
  padding: 7px;
}

body.platform-shell-page .nav-group {
  align-items: center;
}

body.platform-shell-page .nav-link,
body.platform-shell-page .lang-toggle {
  min-height: 50px;
  border: 0;
  border-radius: 12px;
  color: var(--platform-text-secondary);
  padding-inline: 17px;
  font-size: 13px;
  font-weight: 650;
  transition:
    color var(--motion-fast) ease,
    background-color var(--motion-fast) ease,
    box-shadow var(--motion-fast) ease;
}

body.platform-shell-page .nav-link:hover,
body.platform-shell-page .lang-toggle:hover,
body.platform-shell-page .nav-link:focus-visible,
body.platform-shell-page .lang-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.38);
  color: var(--platform-text-primary);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.82) inset;
}

body.platform-shell-page .nav-cta {
  min-height: 50px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  background: var(--glass-dark-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.34) inset,
    0 -1px 0 rgba(0, 0, 0, 0.28) inset,
    0 9px 22px rgba(30, 31, 36, 0.15);
  color: #fff;
  padding-inline: 20px;
}

body.platform-shell-page a:focus-visible,
body.platform-shell-page button:focus-visible,
body.platform-shell-page input:focus-visible,
body.platform-shell-page textarea:focus-visible {
  outline: 2px solid #4f555d;
  outline-offset: 3px;
}

.platform-shell {
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding: clamp(36px, 6vw, 84px) var(--page-gutter) var(--section-gap);
}

.platform-shell--public,
.platform-shell--product,
.platform-shell--auth,
.platform-shell--legal,
.platform-shell--status {
  position: relative;
}

.platform-shell--auth,
.platform-shell--status {
  display: grid;
  align-content: center;
  min-height: calc(100vh - 180px);
}

.platform-shell--legal {
  width: min(100%, 980px);
}

.platform-page-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(18px, 3vw, 38px);
  align-items: start;
}

.platform-page-header {
  max-width: 680px;
  padding: clamp(18px, 3vw, 34px) clamp(4px, 1vw, 12px);
}

.platform-page-header__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--platform-text-muted);
  font-size: var(--caption-size);
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

.platform-page-header__eyebrow::before {
  width: 34px;
  height: 1px;
  background: currentColor;
  content: "";
}

.platform-page-header h1 {
  margin: 0;
  max-width: 13ch;
  color: var(--platform-text-primary);
  font-family: var(--font-display-platform);
  font-size: var(--h1-size);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: 0;
}

.platform-page-header p {
  max-width: 54ch;
  margin: 26px 0 0;
  color: var(--platform-text-secondary);
  font-size: var(--body-large-size);
  line-height: 1.68;
}

.platform-glass {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  color: var(--platform-text-primary);
  transform: translateZ(0);
}

.platform-glass::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), transparent 7%),
    radial-gradient(ellipse at 16% 0%, rgba(255, 255, 255, 0.72), transparent 36%),
    linear-gradient(112deg, rgba(255, 255, 255, 0.42), transparent 36%, rgba(255, 255, 255, 0.18) 70%, transparent);
  content: "";
  opacity: 0.58;
}

.platform-glass::after {
  position: absolute;
  z-index: 0;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 2px 0 rgba(255, 255, 255, 0.2) inset,
    0 -1px 0 var(--glass-bottom-edge) inset,
    1px 0 0 rgba(255, 255, 255, 0.42) inset,
    -1px 0 0 rgba(62, 66, 74, 0.055) inset;
  content: "";
}

.platform-glass > * {
  position: relative;
  z-index: 1;
}

.platform-glass--clear {
  border-color: rgba(255, 255, 255, 0.84);
  border-radius: var(--radius-large);
  background: var(--glass-clear-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.94) inset,
    0 -1px 0 var(--glass-bottom-edge) inset,
    0 16px 42px rgba(44, 49, 59, 0.075);
  -webkit-backdrop-filter: blur(var(--glass-clear-blur)) saturate(136%);
  backdrop-filter: blur(var(--glass-clear-blur)) saturate(136%);
}

.platform-glass--frosted {
  border-radius: var(--radius-panel);
  background: var(--glass-frosted-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 -1px 0 var(--glass-bottom-edge) inset,
    var(--glass-shadow);
  -webkit-backdrop-filter: blur(var(--glass-frosted-blur)) saturate(138%);
  backdrop-filter: blur(var(--glass-frosted-blur)) saturate(138%);
}

.platform-glass--dense {
  border-radius: var(--radius-panel);
  background: var(--glass-dense-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.92) inset,
    0 -1px 0 var(--glass-bottom-edge) inset,
    0 24px 64px rgba(44, 49, 59, 0.09);
  -webkit-backdrop-filter: blur(var(--glass-dense-blur)) saturate(132%);
  backdrop-filter: blur(var(--glass-dense-blur)) saturate(132%);
}

.platform-form-surface,
.platform-status-surface,
.platform-product-panel {
  padding: clamp(24px, 4vw, 44px);
}

.platform-shell.workspace-page,
.platform-shell.consultation-page,
.platform-shell.legal-wrap {
  display: block;
  min-height: calc(100vh - 106px);
  max-width: none;
  border: 0;
}

.platform-shell.project-hub {
  display: block;
  min-height: calc(100vh - 106px);
  max-width: none;
  border: 0;
}

.portal-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(520px, 1.24fr);
  gap: clamp(32px, 6vw, 92px);
  align-items: start;
  min-height: calc(100vh - 238px);
  padding-top: clamp(24px, 4vh, 48px);
}

.portal-intro {
  position: sticky;
  top: 126px;
}

.portal-intro .platform-page-header {
  max-width: 610px;
}

.project-hub .platform-page-header h1 {
  max-width: 9ch;
  font-size: clamp(3.5rem, 4.8vw, 5.1rem);
  line-height: 0.96;
}

.portal-consultation {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  width: min(100%, 360px);
  min-height: 58px;
  margin-top: 32px;
  padding: 9px 12px 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: var(--radius-medium);
  color: var(--platform-text-primary);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.48), rgba(239, 236, 232, 0.22)),
    rgba(255, 255, 255, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 16px 38px rgba(57, 52, 49, 0.08);
  text-decoration: none;
  backdrop-filter: blur(18px) saturate(122%);
  -webkit-backdrop-filter: blur(18px) saturate(122%);
}

.portal-consultation span,
.portal-consultation strong {
  grid-column: 1;
}

.portal-consultation span {
  color: var(--platform-text-muted);
  font-size: var(--caption-size);
}

.portal-consultation strong {
  margin-top: 2px;
  font-size: var(--body-size);
  font-weight: 600;
}

.portal-consultation i {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-size: 20px;
  font-style: normal;
}

.project-hub .platform-product-panel {
  padding: 0;
  overflow: hidden;
}

.portal-product {
  --portal-product-accent: rgba(80, 74, 70, 0.48);
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 106px;
  padding: 18px 24px;
  transition:
    background-color var(--motion-standard) var(--ease-standard),
    transform var(--motion-standard) var(--ease-standard);
}

.portal-product::before {
  position: absolute;
  inset: 18px auto 18px 0;
  width: 2px;
  background: var(--portal-product-accent);
  content: "";
}

.portal-product + .portal-product {
  border-top: 1px solid rgba(67, 62, 59, 0.1);
}

.portal-product:hover {
  background: rgba(255, 255, 255, 0.18);
}

.portal-product[data-public-product="ai-core"] {
  --portal-product-accent: rgba(72, 80, 84, 0.62);
}

.portal-product[data-public-product="keystone"] {
  --portal-product-accent: rgba(85, 104, 88, 0.64);
}

.portal-product[data-public-product="mai"] {
  --portal-product-accent: rgba(144, 81, 73, 0.64);
}

.portal-product[data-public-product="skillforge"] {
  --portal-product-accent: rgba(151, 117, 61, 0.66);
}

.portal-product[data-public-product="mate"] {
  --portal-product-accent: rgba(66, 104, 112, 0.64);
}

.portal-product__index {
  align-self: start;
  padding-top: 4px;
  color: var(--platform-text-muted);
  font-size: var(--caption-size);
  font-variant-numeric: tabular-nums;
}

.portal-product__identity h2 {
  margin: 7px 0 0;
  font-family: var(--font-display-platform);
  font-size: clamp(1.75rem, 2.4vw, 2.55rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
}

.portal-product__identity p {
  max-width: 44ch;
  margin: 8px 0 0;
  color: var(--platform-text-secondary);
  display: -webkit-box;
  overflow: hidden;
  font-size: var(--caption-size);
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.portal-product__identity small {
  display: block;
  margin-top: 6px;
  color: var(--platform-text-muted);
  font-size: var(--caption-size);
}

.portal-product__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-small);
  color: var(--platform-text-primary);
  background: rgba(255, 255, 255, 0.26);
  font-size: var(--caption-size);
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.portal-product__link i {
  font-size: 17px;
  font-style: normal;
  transition: transform var(--motion-fast) var(--ease-standard);
}

.portal-product__link:hover i,
.portal-product__link:focus-visible i {
  transform: translateX(3px);
}

.portal-registry-state {
  margin: 0;
  color: var(--platform-text-secondary);
  font-size: var(--body-large-size);
}

.platform-status-copy {
  max-width: 680px;
}

.platform-status-copy h1 {
  margin: 24px 0 0;
  font-family: var(--font-display-platform);
  font-size: var(--h1-size);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
}

.platform-status-copy p {
  max-width: 56ch;
  margin: 22px 0 0;
  color: var(--platform-text-secondary);
  font-size: var(--body-large-size);
}

.platform-form {
  display: grid;
  gap: 20px;
}

.platform-form-field {
  display: grid;
  gap: 9px;
}

.platform-form-field label {
  color: var(--platform-text-secondary);
  font-size: 0.82rem;
  font-weight: 720;
}

.platform-form-field input,
.platform-form-field textarea,
.platform-form-field select {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--input-border);
  border-radius: var(--radius-medium);
  background: var(--input-background);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.74) inset,
    0 -1px 0 rgba(47, 53, 62, 0.08) inset;
  color: var(--platform-text-primary);
  padding: 13px 16px;
  -webkit-backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
  backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
  transition:
    border-color var(--motion-fast) ease,
    background-color var(--motion-fast) ease,
    box-shadow var(--motion-fast) ease;
}

.platform-form-field input:focus,
.platform-form-field textarea:focus {
  border-color: var(--input-border-focus);
  background: rgba(255, 255, 255, 0.2);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.88) inset,
    0 0 0 3px rgba(76, 82, 91, 0.08);
}

.platform-form-field input[aria-invalid="true"],
.platform-form-field textarea[aria-invalid="true"] {
  border-color: color-mix(in srgb, var(--input-error) 62%, transparent);
}

.platform-form-message,
.field-error,
.form-error {
  min-height: 1.25em;
  color: var(--input-error);
  font-size: 0.82rem;
  line-height: 1.45;
}

.platform-form-message:empty,
.field-error:empty,
.form-error:empty {
  display: none;
}

.platform-form[data-state="success"] .platform-form-message {
  color: var(--input-success);
}

.platform-form[data-state="network_error"] .platform-form-message,
.platform-form[data-state="rate_limited"] .platform-form-message {
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--input-error) 28%, transparent);
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.12);
}

.platform-form[data-state="submitting"] {
  cursor: progress;
}

.platform-form[data-state="disabled"] {
  opacity: 0.64;
}

.upload-window {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-medium);
  background: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 -1px 0 rgba(47, 53, 62, 0.07) inset;
  -webkit-backdrop-filter: blur(var(--glass-control-blur)) saturate(142%);
  backdrop-filter: blur(var(--glass-control-blur)) saturate(142%);
}

.upload-window:focus-within {
  border-color: var(--input-border-focus);
  background: rgba(255, 255, 255, 0.18);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.86) inset,
    0 0 0 3px rgba(76, 82, 91, 0.08);
}

.upload-window input[type="file"]::file-selector-button {
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-small);
  background: var(--glass-control-bg);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  color: var(--platform-text-primary);
}

.platform-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-medium);
  padding: 12px 20px;
  font-weight: 720;
  transition:
    transform var(--motion-fast) var(--ease-standard),
    background-color var(--motion-fast) ease,
    box-shadow var(--motion-fast) ease;
}

.platform-button--primary {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: var(--glass-dark-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.32) inset,
    0 -1px 0 rgba(0, 0, 0, 0.3) inset,
    0 12px 26px rgba(28, 30, 36, 0.14);
  color: #fff;
}

.platform-button--primary:hover,
.platform-button--primary:focus-visible {
  background: linear-gradient(145deg, rgba(51, 54, 63, 0.8), rgba(24, 27, 34, 0.72) 58%, rgba(53, 46, 51, 0.74));
  color: #fff;
}

.platform-button--secondary {
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: var(--glass-control-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.96) inset,
    0 -1px 0 rgba(58, 61, 69, 0.1) inset,
    0 9px 22px rgba(46, 49, 57, 0.07);
  color: var(--platform-text-primary);
  -webkit-backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
  backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
}

.platform-button:active {
  transform: translateY(1px) scale(0.99);
}

.platform-button:disabled,
.platform-button.is-loading {
  cursor: wait;
  opacity: 0.62;
}

.platform-form-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--platform-text-muted);
  font-size: var(--caption-size);
}

.platform-form-divider::before,
.platform-form-divider::after {
  height: 1px;
  flex: 1;
  background: rgba(255, 255, 255, 0.64);
  content: "";
}

.platform-status-badge {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: var(--radius-pill);
  background: var(--glass-control-bg);
  color: var(--platform-text-secondary);
  padding: 6px 12px;
  font-size: var(--caption-size);
  font-weight: 720;
  -webkit-backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
  backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
}

.account-gate {
  display: grid;
  gap: 24px;
}

.account-bar {
  width: fit-content;
  max-width: 100%;
  padding: 8px 10px;
}

.account-bar em {
  border-color: rgba(255, 255, 255, 0.84);
  color: var(--platform-text-secondary);
}

.account-bar .link-button {
  color: var(--platform-text-primary);
}

.consultation-chat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.34fr);
  gap: clamp(16px, 2.4vw, 30px);
  align-items: start;
}

.chat-shell {
  background: var(--glass-frosted-bg);
}

.chat-header {
  border-bottom-color: rgba(255, 255, 255, 0.56);
  padding: 24px;
}

.chat-header h1 {
  font-family: var(--font-display-platform);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  font-weight: 400;
  letter-spacing: 0;
}

.chat-header p {
  margin: 7px 0 0;
  color: var(--platform-text-secondary);
}

.chat-log {
  scrollbar-color: rgba(83, 89, 98, 0.3) transparent;
}

.message {
  border-color: rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-medium);
  background: var(--glass-clear-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.76) inset,
    0 -1px 0 rgba(50, 55, 65, 0.08) inset;
}

.message.user {
  border-color: rgba(255, 255, 255, 0.24);
  background: var(--glass-dark-bg);
  color: #fff;
}

.message small,
.message.user small {
  color: inherit;
  opacity: 0.66;
}

.chat-form {
  grid-template-columns: minmax(0, 1fr) auto;
  border-top-color: rgba(255, 255, 255, 0.56);
}

.chat-form textarea {
  border-color: rgba(255, 255, 255, 0.76);
  border-radius: var(--radius-medium);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.76) inset;
  color: var(--platform-text-primary);
  -webkit-backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
  backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
}

.chat-form .platform-form-message {
  grid-column: 1 / -1;
  grid-row: 2;
}

.chat-form .platform-button {
  grid-column: 2;
  grid-row: 1;
}

.summary-box {
  position: sticky;
  top: 112px;
  border-color: rgba(255, 255, 255, 0.84);
  border-radius: var(--radius-large);
  background: var(--glass-clear-bg);
  color: var(--platform-text-primary);
}

.summary-box dt,
.summary-box dd,
.summary-upload-list a,
.summary-upload-list span {
  color: var(--platform-text-secondary);
}

.legal-page {
  max-width: none;
  margin: 0;
  padding: clamp(30px, 6vw, 68px);
}

.legal-page h1 {
  max-width: 18ch;
  margin: 24px 0 0;
  font-family: var(--font-display-platform);
  font-size: var(--h1-size);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
}

.legal-content {
  display: grid;
  gap: 0;
  margin-top: clamp(42px, 6vw, 72px);
}

.legal-content section {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 0.66fr);
  gap: clamp(24px, 5vw, 64px);
  border-top: 1px solid rgba(255, 255, 255, 0.58);
  padding: 28px 0;
}

.legal-content h2 {
  margin: 0;
  color: var(--platform-text-primary);
  font-size: var(--h3-size);
  font-weight: 720;
  letter-spacing: 0;
}

.legal-content p {
  margin: 0;
  color: var(--platform-text-secondary);
  font-size: var(--body-size);
  line-height: 1.78;
}

.platform-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.58);
  background: transparent;
  color: var(--platform-text-secondary);
}

.platform-footer .footer-inner {
  border-color: rgba(255, 255, 255, 0.56);
}

.platform-footer a {
  color: var(--platform-text-secondary);
}

.platform-reveal {
  transform: translate3d(0, 16px, 0);
  opacity: 0;
  transition:
    transform var(--motion-slow) var(--ease-enter),
    opacity var(--motion-slow) ease;
}

.platform-reveal.in-view {
  transform: translate3d(0, 0, 0);
  opacity: 1;
}

@media (max-width: 1120px) {
  body.platform-shell-page .site-header {
    grid-template-columns: 154px minmax(0, 1fr);
  }

  body.platform-shell-page .nav-link,
  body.platform-shell-page .lang-toggle {
    padding-inline: 11px;
    font-size: 12px;
  }

  .platform-page-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(380px, 1.18fr);
  }
}

@media (max-width: 820px) {
  body.platform-shell-page .site-main {
    padding-top: calc(98px + env(safe-area-inset-top));
  }

  body.platform-shell-page .site-header {
    inset:
      calc(14px + env(safe-area-inset-top))
      calc(14px + env(safe-area-inset-right))
      auto
      calc(14px + env(safe-area-inset-left));
    height: 74px;
    grid-template-columns: minmax(0, 1fr) 68px;
    overflow: visible;
    border-radius: 20px;
    background: linear-gradient(118deg, rgba(255, 255, 255, 0.27), rgba(232, 238, 244, 0.085));
    -webkit-backdrop-filter: blur(22px) saturate(140%);
    backdrop-filter: blur(22px) saturate(140%);
  }

  body.platform-shell-page .brand-link {
    padding-inline: 22px;
  }

  body.platform-shell-page .brand-mark {
    width: 37px;
    height: 37px;
  }

  body.platform-shell-page .brand-word {
    font-size: 26px;
  }

  body.platform-shell-page .menu-toggle {
    width: 56px;
    height: 56px;
    align-self: center;
    justify-self: center;
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: 14px;
    background: var(--glass-control-bg);
    box-shadow:
      0 1px 0 rgba(255, 255, 255, 0.96) inset,
      0 -1px 0 rgba(58, 61, 69, 0.09) inset,
      0 8px 20px rgba(46, 49, 57, 0.07);
    -webkit-backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
    backdrop-filter: blur(var(--glass-control-blur)) saturate(148%);
  }

  body.platform-shell-page .menu-toggle span {
    width: 24px;
    height: 1.5px;
    background: var(--platform-text-primary);
  }

  .platform-shell {
    padding: 24px 16px 84px;
  }

  .platform-shell--auth,
  .platform-shell--status {
    min-height: calc(100svh - 122px);
  }

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

  .portal-layout {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 28px;
  }

  .portal-intro {
    position: static;
  }

  .portal-product__identity h2 {
    font-size: clamp(1.8rem, 9vw, 2.8rem);
  }

  .portal-product {
    grid-template-columns: 34px minmax(0, 1fr) auto;
    gap: 14px;
    min-height: 124px;
    padding: 22px 18px;
  }

  .portal-product__link {
    width: 42px;
    padding: 0;
    justify-content: center;
  }

  .portal-product__link span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .consultation-chat-grid {
    grid-template-columns: 1fr;
  }

  .summary-box {
    position: static;
  }

  .platform-page-header {
    padding: 12px 4px 20px;
  }

  .platform-page-header h1 {
    max-width: 15ch;
    font-size: clamp(2.35rem, 12vw, 4rem);
  }

  .platform-page-header p {
    margin-top: 18px;
    font-size: 1rem;
  }

  .platform-glass--frosted,
  .platform-glass--dense {
    border-radius: 26px;
  }

  .platform-form-surface,
  .platform-status-surface,
  .platform-product-panel {
    padding: 24px 20px;
  }

  .legal-page {
    padding: 28px 20px;
  }

  .legal-content {
    margin-top: 38px;
  }

  .legal-content section {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px 0;
  }

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

  .chat-form .platform-form-message,
  .chat-form .platform-button {
    grid-column: 1;
    grid-row: auto;
  }

  .platform-reveal {
    transform: translate3d(0, 12px, 0);
    transition-duration: 560ms;
  }
}

@media (max-width: 360px) {
  .platform-shell {
    padding-inline: 12px;
  }

  .platform-form-surface,
  .platform-status-surface,
  .platform-product-panel {
    padding-inline: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .platform-reveal {
    transform: none;
    opacity: 1;
    transition: none;
  }

  .platform-button {
    transition: none;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .platform-glass--clear {
    background: rgba(242, 244, 245, 0.78);
  }

  .platform-glass--frosted,
  .platform-glass--dense {
    background: rgba(238, 241, 242, 0.86);
  }
}