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

.section-tag {
  display: inline-flex;
  margin-bottom: var(--s2);
}

.section-center {
  text-align: center;
}

.stack-sm,
.stack-md,
.stack-lg,
.stack-xl {
  display: flex;
  flex-direction: column;
}

.stack-sm {
  gap: var(--s2);
}

.stack-md {
  gap: var(--s3);
}

.stack-lg {
  gap: var(--s4);
}

.stack-xl {
  gap: var(--s5);
}

.section-shell,
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
}

.panel {
  padding: var(--s4);
}

.panel--soft {
  background: var(--surface-2);
}

.panel--accent {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-secondary-soft) 100%);
  border-color: var(--border-accent);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: center;
}

.button,
.cta-button {
  --button-bg: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  --button-text: var(--color-text-inverse);
  --button-border: transparent;
  --button-shadow: 0 16px 28px var(--accent-glow);
  --button-hover-shadow: 0 18px 32px var(--accent-glow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 12px 18px;
  border: 1px solid var(--button-border);
  border-radius: 14px;
  background: var(--button-bg);
  color: var(--button-text);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.1;
  cursor: pointer;
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t), border-color var(--t), opacity var(--t);
  box-shadow: var(--button-shadow);
}

.button:hover,
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--button-hover-shadow);
}

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

.button:disabled,
.button[aria-busy="true"],
.cta-button:disabled,
.cta-button[aria-busy="true"] {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.button--primary,
.cta-primary,
.nav-cta {
  --button-bg: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  --button-text: var(--color-text-inverse);
  --button-shadow: 0 16px 28px var(--accent-glow);
  --button-hover-shadow: 0 18px 32px var(--accent-glow);
}

.button--secondary,
.cta-button-secondary {
  --button-bg: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-hover) 100%);
  --button-text: var(--color-text-inverse);
  --button-shadow: 0 16px 28px var(--gold-glow);
  --button-hover-shadow: 0 18px 32px var(--gold-glow);
}

.button--outline,
.cta-outline,
.cta-outline-light {
  --button-bg: transparent;
  --button-text: var(--color-text);
  --button-border: var(--border);
  --button-shadow: none;
  --button-hover-shadow: none;
}

.button--outline:hover,
.cta-outline:hover,
.cta-outline-light:hover {
  background: var(--nav-hover-bg);
  border-color: var(--color-border-strong);
}

.button--ghost {
  --button-bg: var(--color-primary-soft);
  --button-text: var(--color-primary);
  --button-border: transparent;
  --button-shadow: none;
  --button-hover-shadow: none;
}

.button--brand {
  --button-bg: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-hover) 100%);
  --button-text: var(--color-text-inverse);
  --button-shadow: 0 16px 28px var(--color-brand-shadow);
  --button-hover-shadow: 0 18px 32px var(--color-brand-shadow-strong);
}

.button--full {
  width: 100%;
}

.button--inline {
  align-self: flex-start;
}

.button--icon {
  justify-content: center;
}

.tag {
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border: 1px solid var(--color-border-accent);
  font-weight: 700;
}

.tag-gold {
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  border-color: var(--color-secondary-soft-strong);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1100;
  padding: 10px 0;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--t), border-color var(--t), box-shadow var(--t), padding var(--t);
}

.site-header.scrolled,
.site-header.is-nav-open {
  background: var(--header-bg-solid);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s3);
  min-height: 64px;
}

.site-header__brand {
  position: relative;
  z-index: 2;
}

.site-header__logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-header__logo-image {
  display: block;
  width: auto;
  height: 52px;
  transition: height var(--t), opacity var(--t), transform var(--t);
}

.site-header.scrolled .site-header__logo-image {
  height: 48px;
}

.site-header__nav-shell {
  min-width: 0;
  display: flex;
  justify-content: center;
}

.site-header__actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.site-header__utility-rail {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px;
  border: 1px solid var(--header-border);
  border-radius: 18px;
  background: var(--surface-glass);
  box-shadow: var(--shadow-sm);
}

.site-header__utility-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
}

.site-header__cta.button {
  min-height: 40px;
  padding: 10px 16px;
  border-radius: 12px;
  --button-shadow: 0 12px 24px var(--accent-glow);
  --button-hover-shadow: 0 16px 28px var(--accent-glow);
}

.site-header__menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  min-width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.site-header__menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px auto;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--t), opacity var(--t), background var(--t);
}

.site-header__menu-toggle[aria-expanded="true"] {
  background: var(--color-primary-soft);
  border-color: var(--color-border-accent);
}

.site-header__menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.site-header__menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.site-header__menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.site-nav {
  width: 100%;
  display: flex;
  justify-content: center;
}

.site-nav__scrim {
  display: none;
}

.site-nav__panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.site-nav__drawer-header,
.site-nav__drawer-footer {
  display: none;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color var(--t), background var(--t), border-color var(--t), transform var(--t);
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--text);
  background: var(--nav-hover-bg);
}

.site-nav__link.active,
.site-nav__link[aria-current="page"] {
  color: var(--text);
  background: var(--color-primary-soft);
  border-color: var(--color-border-accent);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.language-switcher--header {
  padding: 0;
}

.language-switcher--drawer {
  width: fit-content;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-2);
}

.lang-btn {
  min-width: 36px;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
}

.lang-btn:hover {
  color: var(--text);
  background: var(--nav-hover-bg);
}

.lang-btn.active {
  color: var(--text);
  background: var(--color-primary-soft);
  border-color: var(--color-border-accent);
}

.theme-menu-slot {
  position: relative;
  display: flex;
}

.theme-menu {
  position: relative;
  display: flex;
}

.theme-menu__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
}

.theme-menu--header .theme-menu__trigger {
  width: 36px;
  min-width: 36px;
  padding: 0;
}

.theme-menu--drawer {
  width: 100%;
}

.theme-menu--drawer .theme-menu__trigger {
  width: 100%;
  justify-content: space-between;
  padding: 0 14px;
  min-height: 44px;
  border-radius: 14px;
  background: var(--surface-2);
  border-color: var(--border);
}

.theme-menu__trigger:hover {
  color: var(--text);
  background: var(--nav-hover-bg);
}

.theme-menu.is-open .theme-menu__trigger {
  color: var(--text);
  background: var(--color-primary-soft);
  border-color: var(--color-border-accent);
}

.theme-menu__trigger-content {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.theme-menu__icon,
.theme-menu__option-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.theme-menu__icon svg,
.theme-menu__option-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-menu__trigger-text,
.theme-menu__trigger-state {
  line-height: 1;
}

.theme-menu__trigger-state {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.theme-menu--header .theme-menu__trigger-text,
.theme-menu--header .theme-menu__trigger-state {
  display: none;
}

.theme-menu__popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity var(--t), transform var(--t);
  z-index: 1200;
}

.theme-menu.is-open .theme-menu__popover {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.theme-menu--drawer .theme-menu__popover {
  left: 0;
  right: 0;
  min-width: 0;
}

.theme-menu__label {
  margin: 0 0 4px;
  padding: 0 6px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.theme-menu__options {
  display: grid;
  gap: 6px;
}

.theme-menu__option {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
}

.theme-menu__option:hover {
  color: var(--text);
  background: var(--nav-hover-bg);
}

.theme-menu__option.is-active {
  color: var(--text);
  background: var(--color-primary-soft);
  border-color: var(--color-border-accent);
}

.theme-menu__option-label {
  flex: 1 1 auto;
}

.theme-menu__option-check {
  flex-shrink: 0;
  opacity: 0;
}

.theme-menu__option.is-active .theme-menu__option-check {
  opacity: 1;
}

.site-nav__scrim:focus-visible,
.site-nav__drawer-close:focus-visible,
.site-nav__link:focus-visible,
.lang-btn:focus-visible,
.theme-menu__trigger:focus-visible,
.theme-menu__option:focus-visible,
.site-header__menu-toggle:focus-visible,
.site-header__cta.button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.page-badges,
.project-card-footer,
.project-status-tags {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s2);
}

.page-badges {
  margin: var(--s2) 0 var(--s3);
}

.project-card-meta {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.project-count {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.status-success {
  color: var(--success);
}

.page-heading {
  max-width: 720px;
  margin-bottom: var(--s3);
  font-size: clamp(1.8rem, 4vw, var(--text-3xl));
  font-weight: 800;
}

.section-heading {
  margin: 0 0 var(--s3);
  font-size: var(--text-xl);
  font-weight: 700;
}

.section-copy {
  max-width: 640px;
  color: var(--text-secondary);
  font-size: var(--text-lg);
  line-height: 1.7;
}

.section-copy--center {
  max-width: 560px;
  margin: 0 auto var(--s4);
  text-align: center;
}

.prose-copy {
  margin: 0 0 var(--s3);
  color: var(--text-secondary);
  line-height: 1.8;
}

.breadcrumb--start {
  justify-content: flex-start;
}

.section-band {
  padding: var(--s7) 0;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-band--top-only {
  border-bottom: none;
}

.section-band__title {
  margin: 0 0 var(--s2);
  font-size: var(--text-2xl);
  font-weight: 800;
}

.section-band__copy {
  max-width: 560px;
  margin: 0 auto var(--s4);
  color: var(--text-secondary);
}

.timeline {
  max-width: 760px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: var(--s3);
  align-items: start;
}

.timeline-year {
  text-align: right;
}

.timeline-year span {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--accent);
}

.timeline-panel {
  padding: var(--s3);
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
}

.timeline-panel--secondary {
  border-left-color: var(--color-secondary);
}

.timeline-panel h4,
.timeline-step-body h4 {
  margin: 0 0 6px;
  font-size: var(--text-base);
}

.timeline-panel p,
.timeline-step-body p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.timeline-steps {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  margin-bottom: var(--s5);
}

.timeline-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: var(--s2);
  align-items: start;
}

.timeline-step-marker {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-accent);
  background: var(--color-primary-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.timeline-step-marker--success {
  background: var(--color-success-soft);
  color: var(--success);
  border-color: var(--color-success-border);
}

.timeline-step-body {
  padding: var(--s3);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.metric-grid,
.spec-list {
  display: flex;
  flex-direction: column;
}

.metric-grid {
  gap: var(--s3);
}

.metric-card {
  padding: var(--s3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}

.spec-list {
  gap: var(--s2);
}

.spec-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--text-sm);
}

.spec-list__item:last-child {
  border-bottom: none;
}

.spec-list__label {
  color: var(--text-muted);
}

.spec-list__value {
  font-weight: 600;
}

.outcomes-grid--two {
  grid-template-columns: 1fr 1fr;
}

.contact-form-card,
.contact-info-card,
.service-card,
.feature-item,
.project-card,
.testimonial-card,
.service-detail-card,
.outcome-card,
.certificate-card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

.service-card:hover,
.feature-item:hover,
.project-card:hover,
.testimonial-card:hover,
.service-detail-card:hover,
.certificate-card:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--color-border-strong);
}

.card--interactive,
.service-card,
.feature-item,
.project-card,
.testimonial-card,
.service-detail-card,
.certificate-card {
  transition: transform var(--t), box-shadow var(--t), border-color var(--t), background var(--t);
}

.field,
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--s3);
}

.field__label,
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
}

.field__control,
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: var(--text-sm);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  outline: none;
}

.field__control::placeholder,
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.field__control:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.field textarea,
.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.field select option,
.form-group select option {
  background: var(--surface);
  color: var(--text);
}

.field__message {
  min-height: 18px;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.field.is-invalid .field__control,
.form-group.is-invalid input,
.form-group.is-invalid select,
.form-group.is-invalid textarea {
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px var(--color-error-ring);
}

.field.is-valid .field__control,
.form-group.is-valid input,
.form-group.is-valid select,
.form-group.is-valid textarea {
  border-color: var(--color-success);
  box-shadow: 0 0 0 4px var(--color-success-ring);
}

.field.is-invalid .field__message {
  color: var(--color-error);
}

.field.is-valid .field__message {
  color: var(--color-success);
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.social-stack {
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.panel-title-caps {
  margin: 0 0 var(--s3);
  padding-bottom: var(--s1);
  border-bottom: 1px solid var(--border);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-status-message {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 24px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.form-status-message.is-hidden:empty {
  display: none;
}

.form-status-message.is-loading {
  background: var(--color-info-soft);
  color: var(--color-info);
  border: 1px solid var(--color-info-border);
}

.form-status-message.success {
  background: var(--color-success-soft);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.form-status-message.error {
  background: var(--color-error-soft);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}

.status-spinner,
.cert-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.status-spinner {
  flex-shrink: 0;
}

.empty-state {
  margin-top: var(--s4);
  padding: var(--s5);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  background: var(--surface);
  color: var(--text-secondary);
}

.empty-state h3 {
  margin: 0 0 var(--s1);
  font-size: var(--text-lg);
}

.empty-state p {
  margin: 0;
}

.project-card.is-filtering-in {
  animation: filterFadeIn 0.28s ease;
}

.skeleton {
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent 0%, var(--skeleton-shimmer) 45%, transparent 100%);
  animation: shimmer 1.6s infinite;
}

.lightbox,
.cert-preview-overlay {
  background: var(--overlay-scrim-strong);
}

.lightbox.active {
  display: flex;
}

.lightbox-close,
.close-btn,
.tg-quick-quote-close {
  min-width: 40px;
  min-height: 40px;
  border-radius: 12px;
  color: var(--text-secondary);
}

.cert-preview-header,
.tg-quick-quote,
.mobile-sticky-cta {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--card-shadow);
}

.cert-preview-frame {
  opacity: 0;
}

.cert-preview-frame.is-ready {
  opacity: 1;
}

.floating-telegram {
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-hover) 100%);
  box-shadow: 0 18px 28px var(--color-brand-shadow);
}

.floating-telegram:hover {
  box-shadow: 0 24px 34px var(--color-brand-shadow-strong);
}

.tg-quote-option {
  background: var(--surface-2);
}

.tg-quote-option:hover {
  background: var(--color-primary);
}

.social-button {
  justify-content: center;
}

@media (max-width: 1199px) {
  .site-nav__link {
    padding-inline: 12px;
  }

  .site-header__utility-rail {
    gap: 8px;
  }

  .site-header__cta.button {
    padding-inline: 14px;
  }
}

@media (max-width: 1023px) {
  .site-header {
    padding: 8px 0;
  }

  .site-header__inner {
    min-height: 60px;
    gap: var(--s2);
  }

  .site-header__logo-image {
    height: 46px;
  }

  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: auto;
  }

  .site-nav__scrim {
    position: fixed;
    inset: 0;
    display: block;
    margin: 0;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
    background: var(--overlay-scrim);
    cursor: pointer;
    transition: opacity var(--t);
  }

  .site-nav__panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(420px, 100vw);
    padding: 18px;
    border-left: 1px solid var(--header-border);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 18px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: transform var(--t-spring), opacity var(--t), visibility var(--t);
    z-index: 1201;
  }

  .site-nav.is-open .site-nav__scrim {
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav.is-open .site-nav__panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }

  .site-nav__drawer-header,
  .site-nav__drawer-footer {
    display: grid;
  }

  .site-nav__drawer-header {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }

  .site-nav__drawer-title {
    margin: 0;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .site-nav__drawer-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-2);
    color: var(--text);
    font: inherit;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .site-nav__link {
    width: 100%;
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 14px;
    border-radius: 14px;
    font-size: var(--text-base);
  }

  .site-nav__drawer-footer {
    margin-top: auto;
    gap: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }

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

  .site-nav__drawer-cta.button {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-year {
    text-align: left;
  }

  .project-card-footer,
  .action-row {
    align-items: stretch;
  }

  .button,
  .cta-button {
    min-height: 46px;
  }
}

@media (max-width: 819px) {
  .site-header__utility-rail {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 6px 0;
  }

  .site-header__inner {
    min-height: 56px;
  }

  .site-header__logo-image {
    height: 42px;
  }

  .site-header__cta {
    display: none;
  }

  .site-nav__panel {
    width: min(380px, 100vw);
    padding: 16px;
  }

  .page-badges,
  .project-card-footer {
    align-items: flex-start;
  }

  .theme-menu--drawer .theme-menu__popover {
    position: static;
    margin-top: 10px;
  }

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

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

@keyframes filterFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}