.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding-inline: var(--space-5);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  transition: var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: #f8fafc;
}

.card,
.value-card,
.project-card,
.stack-card,
.process-step,
.cta-box,
.visual-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.card,
.value-card,
.project-card,
.stack-card,
.process-step {
  padding: var(--space-6);
}

.tag,
.hero-proof li {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding-inline: var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 600;
}

.text-link {
  color: var(--color-primary);
  font-weight: 700;
}

.visual-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

.visual-window {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  overflow: hidden;
}

.window-bar {
  height: 48px;
  background: #f8fafc;
  border-bottom: 1px solid var(--color-border);
}

.window-body {
  padding: var(--space-5);
}

.mock-block {
  height: 72px;
  background: #e2e8f0;
  border-radius: 12px;
}

.mock-block.large {
  height: 140px;
  margin-bottom: var(--space-4);
}

.mock-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.mock-flow {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.mock-flow span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding-inline: var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
}

.process-step span {
  display: inline-block;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 800;
}

.stack-card ul,
.site-footer ul {
  padding-left: 18px;
  color: var(--color-text-muted);
}

.cta-box {
  padding: var(--space-10);
  text-align: center;
}

.cta-actions {
  margin-top: var(--space-6);
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.project-breadcrumb {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

.project-hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
}

.project-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: start;
}

.project-tags {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.project-lead {
  font-size: var(--text-lg);
  max-width: 60ch;
}

.project-summary-card,
.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
}

.summary-list {
  display: grid;
  gap: var(--space-4);
}

.summary-list strong {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
}

.summary-list p {
  margin-bottom: 0;
}

.project-showcase {
  display: grid;
  gap: var(--space-4);
}

.showcase-frame {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.showcase-bar {
  height: 48px;
  background: #f8fafc;
  border-bottom: 1px solid var(--color-border);
}

.showcase-body {
  padding: var(--space-6);
}

.showcase-block {
  height: 96px;
  background: #e2e8f0;
  border-radius: 12px;
}

.showcase-block.large {
  height: 240px;
  margin-bottom: var(--space-4);
}

.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.showcase-note {
  max-width: 640px;
}

.project-content-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  align-items: start;
}

.project-main {
  display: grid;
  gap: var(--space-10);
}

.project-section {
  display: grid;
  gap: var(--space-3);
}

.project-points,
.architecture-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, 1fr);
  margin-top: var(--space-4);
}

.project-feature-list {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, 1fr);
  margin-top: var(--space-4);
}

.feature-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

.feature-item strong {
  display: inline-block;
  margin-bottom: var(--space-2);
}

.project-sidebar {
  display: grid;
  gap: var(--space-6);
}

.sidebar-list {
  padding-left: 18px;
  color: var(--color-text-muted);
}

.project-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .project-hero-grid,
  .project-content-grid,
  .project-points,
  .architecture-grid,
  .project-feature-list {
    grid-template-columns: 1fr;
  }
}

.service-stack {
  display: grid;
  gap: var(--space-6);
}

.service-block,
.fit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
}

.service-block-head {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.service-lead {
  font-size: var(--text-lg);
  max-width: 65ch;
}

.service-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.service-columns strong,
.fit-card strong {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}

.service-list {
  padding-left: 18px;
  color: var(--color-text-muted);
  display: grid;
  gap: var(--space-2);
}

.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.fit-card-alt {
  background: #fffdf7;
}

@media (max-width: 768px) {
  .service-block,
  .fit-card {
    padding: var(--space-6);
  }

  .service-columns,
  .fit-grid {
    grid-template-columns: 1fr;
  }
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-copy {
  display: grid;
  gap: var(--space-8);
}

.contact-block {
  display: grid;
  gap: var(--space-3);
}

.contact-card-stack {
  display: grid;
  gap: var(--space-6);
}

.contact-email a {
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-lg);
}

.contact-form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
}

.contact-form-head {
  margin-bottom: var(--space-6);
}

.contact-form {
  display: grid;
  gap: var(--space-5);
}

.form-field {
  display: grid;
  gap: var(--space-2);
}

.form-field label {
  font-weight: 600;
  color: var(--color-text);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  transition: var(--transition-fast);
}

.form-field textarea {
  min-height: 140px;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.form-actions {
  display: flex;
  justify-content: flex-start;
}

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

  .contact-form-card {
    padding: var(--space-6);
  }
}