/* =========================================================================
   EWA Website — page-specific styles
   Vercel-inspired: light surfaces, shadow borders, technical mono labels
   ========================================================================= */

/* ---- Industrial grid background (very subtle on white) ---- */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--border-shadow-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-shadow-light) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at center top, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center top, #000 0%, transparent 70%);
  opacity: 0.6;
}

/* ---- Navigation (white sticky, shadow-as-border bottom) ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 0 var(--border-shadow);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-small);
  letter-spacing: 0;
  color: var(--text-1);
}
.nav-brand-mark {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  background: var(--text-1);
  position: relative;
}
.nav-brand-mark::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 2px;
  background: var(--bg-page);
}
.nav-brand-text {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--text-1);
  letter-spacing: 0;
}
.nav-brand-text .dim {
  color: var(--text-3);
  font-weight: 400;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-link:hover { color: var(--text-1); }
.nav-link .num {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: var(--tracking-mono);
}

.nav-cta { display: flex; align-items: center; gap: var(--space-3); }

.nav-toggle {
  display: none;
  background: var(--bg-page);
  color: var(--text-1);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 1rem;
  box-shadow: var(--shadow-border);
}

@media (max-width: 880px) {
  .nav-menu { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-menu.open {
    display: flex;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg-page);
    box-shadow: 0 1px 0 0 var(--border-shadow),
                0 8px 24px rgba(0,0,0,0.06);
    padding: var(--space-5) var(--container-pad);
    gap: var(--space-4);
  }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  padding-top: clamp(80px, 12vw, 160px);
  padding-bottom: clamp(64px, 10vw, 120px);
  overflow: hidden;
}
/* Vercel-style pastel multi-color atmospheric wash (barely visible) */
.hero::before {
  content: '';
  position: absolute;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 1100px;
  height: 700px;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(50, 130, 246, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 40%, rgba(244, 114, 182, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 60%, rgba(251, 191, 36, 0.03) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.hero-title {
  font-size: var(--text-mega);
  font-weight: 600;
  letter-spacing: var(--tracking-mega);
  line-height: 1.0;
  color: var(--text-1);
  margin-bottom: var(--space-6);
}
.hero-title .accent {
  color: var(--text-1);
  font-style: normal;
  font-weight: 600;
}
.hero-title .br { display: block; }

.hero-lede {
  max-width: 56ch;
  font-size: var(--text-h4);
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: var(--space-7);
}
.hero-lede strong { color: var(--text-1); font-weight: 600; }

.hero-cta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-9);
}

/* ---- Hero status bar (mono labels, shadow borders) ---- */
.hero-status {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  gap: var(--space-5);
  background: var(--bg-page);
}
.hero-status-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: var(--space-4);
  box-shadow: inset 1px 0 0 0 var(--border-shadow-light);
}
.hero-status-item:first-child {
  padding-left: 0;
  box-shadow: none;
}
.hero-status-item .label {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--text-3);
}
.hero-status-item .value {
  font-family: var(--font-mono);
  font-size: var(--text-h4);
  color: var(--text-1);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}
.hero-status-item .value .accent { color: var(--text-1); font-weight: 700; }

@media (max-width: 760px) {
  .hero-status { grid-template-columns: repeat(2, 1fr); }
  .hero-status-item {
    padding-left: 0;
    box-shadow: none;
  }
  .hero-status-item:nth-child(n+3) {
    padding-top: var(--space-4);
    box-shadow: inset 0 1px 0 0 var(--border-shadow-light);
  }
}

/* ---- Section header ---- */
.section-header {
  margin-bottom: var(--space-8);
}
.section-header .eyebrow { margin-bottom: var(--space-4); }
.section-title {
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: var(--tracking-display);
  line-height: 1.05;
  margin-bottom: var(--space-4);
  color: var(--text-1);
}
.section-title em {
  font-style: normal;
  color: var(--text-1);
  font-weight: 600;
}
.section-sub {
  font-size: var(--text-h4);
  color: var(--text-2);
  max-width: 60ch;
  line-height: 1.6;
}

/* ---- Preview placeholder (next sections) ---- */
.preview-block {
  box-shadow: 0 0 0 1px var(--border-shadow);
  background: var(--bg-tint);
  border-radius: var(--radius-lg);
  padding: var(--space-9) var(--space-7);
  text-align: center;
  color: var(--text-3);
}
.preview-block .mono {
  font-size: var(--text-label);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--text-4);
}
.preview-block h3 {
  font-size: var(--text-h2);
  color: var(--text-2);
  margin-top: var(--space-4);
  letter-spacing: var(--tracking-h2);
}

/* ---- Footer ---- */
.footer {
  box-shadow: 0 -1px 0 0 var(--border-shadow);
  padding-block: var(--space-8) var(--space-6);
  color: var(--text-3);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-5);
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  gap: var(--space-5);
  font-size: var(--text-small);
}
.footer-links a { color: var(--text-2); }
.footer-links a:hover { color: var(--text-1); }

/* =========================================================================
   Product page components (Vercel-grade layout primitives)
   Shared across products/*.html — feature cards, metrics, workflows, FAQ
   ========================================================================= */

/* ---- Product hero (slimmer than homepage hero, data-forward) ---- */
.product-hero {
  position: relative;
  padding-top: clamp(72px, 8vw, 120px);
  padding-bottom: clamp(48px, 6vw, 96px);
  overflow: hidden;
}
.product-hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(50, 130, 246, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 40%, rgba(244, 114, 182, 0.04) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}
.product-hero > .container { position: relative; z-index: 1; }
.product-hero .eyebrow { margin-bottom: var(--space-5); }
.product-hero-title {
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: var(--tracking-display);
  line-height: 1.05;
  color: var(--text-1);
  margin-bottom: var(--space-4);
}
.product-hero-tagline {
  font-size: var(--text-h3);
  color: var(--text-2);
  line-height: 1.4;
  max-width: 56ch;
  margin-bottom: var(--space-7);
}

/* ---- Metric row (big number + label, side-by-side cards) ---- */
.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-lg);
  background: var(--bg-page);
  overflow: hidden;
}
.metric-item {
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: inset 1px 0 0 0 var(--border-shadow-light);
}
.metric-item:first-child { box-shadow: none; }
.metric-item .metric-value {
  font-family: var(--font-mono);
  font-size: var(--text-h2);
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: var(--tracking-h2);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric-item .metric-label {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
}
@media (max-width: 760px) {
  .metric-row { grid-template-columns: repeat(2, 1fr); }
  .metric-item { box-shadow: none; }
  .metric-item:nth-child(n+3) {
    box-shadow: inset 0 1px 0 0 var(--border-shadow-light);
  }
}

/* ---- Feature card (product page: icon/title/desc/list) ---- */
.feature-card {
  background: var(--bg-page);
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}
.feature-card:hover {
  box-shadow: var(--shadow-card-stack);
  background: var(--bg-tint);
}
.feature-card .feature-num {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: var(--tracking-mono);
}
.feature-card h3 {
  font-size: var(--text-h3);
  color: var(--text-1);
  letter-spacing: -0.02em;
}
.feature-card p {
  font-size: var(--text-body);
  color: var(--text-2);
  line-height: 1.6;
}

/* ---- Workflow steps (horizontal pipeline, mono numbering) ---- */
.workflow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-lg);
  background: var(--bg-page);
  overflow: hidden;
}
.workflow-step {
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: inset 1px 0 0 0 var(--border-shadow-light);
  position: relative;
}
.workflow-step:first-child { box-shadow: none; }
.workflow-step .step-num {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: var(--tracking-mono);
}
.workflow-step .step-title {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.01em;
}
.workflow-step .step-desc {
  font-size: var(--text-small);
  color: var(--text-2);
  line-height: 1.55;
}
@media (max-width: 900px) {
  .workflow { grid-template-columns: repeat(2, 1fr); }
  .workflow-step:nth-child(3) { box-shadow: none; }
  .workflow-step:nth-child(n+3) {
    box-shadow: inset 0 1px 0 0 var(--border-shadow-light);
  }
}
@media (max-width: 600px) {
  .workflow { grid-template-columns: 1fr; }
  .workflow-step { box-shadow: inset 0 1px 0 0 var(--border-shadow-light) !important; }
  .workflow-step:first-child { box-shadow: none !important; }
}

/* ---- Code / spec block (IDE-style file card with header + pre body) ---- */
.code-block {
  background: var(--bg-tint);
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-2);
}
.code-block-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: rgba(0, 0, 0, 0.015);
  box-shadow: inset 0 -1px 0 0 var(--border-shadow-light);
}
.code-block-dots {
  display: inline-flex;
  gap: 6px;
  flex-shrink: 0;
}
.code-block-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-shadow-strong);
  display: inline-block;
}
.code-block-filename {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-3);
  letter-spacing: 0;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.code-block-tag {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--text-4);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  flex-shrink: 0;
}
.code-block pre {
  margin: 0;
  padding: var(--space-6) var(--space-7);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  line-height: 1.8;
  color: var(--text-2);
  overflow-x: auto;
  font-variant-numeric: tabular-nums;
  white-space: pre-wrap;
  word-break: break-word;
}
.code-block .code-comment { color: var(--text-4); }
.code-block .code-key { color: var(--text-1); font-weight: 600; }
.code-block .code-string { color: var(--text-2); }
.code-block .code-num { color: var(--accent-ship); font-weight: 600; }
.code-block .code-bool { color: var(--accent-develop); font-weight: 600; }

/* ---- File list (IDE-style file rows inside a code-block shell) ---- */
.file-list {
  background: var(--bg-page);
}
.file-row {
  display: grid;
  grid-template-columns: 56px 220px 1fr auto;
  gap: var(--space-5);
  align-items: center;
  padding: var(--space-4) var(--space-6);
  box-shadow: inset 0 1px 0 0 var(--border-shadow-light);
  transition: background var(--dur-fast) var(--ease-out);
}
.file-row:first-child { box-shadow: none; }
.file-row:hover { background: var(--bg-tint); }
.file-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  color: var(--text-3);
  background: var(--bg-tint);
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}
.file-row:hover .file-type { background: var(--bg-page); box-shadow: var(--shadow-border); }
.file-name {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-1);
  font-weight: 500;
  letter-spacing: 0;
}
.file-desc {
  font-size: var(--text-small);
  color: var(--text-2);
  line-height: 1.5;
}
.file-meta {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--text-4);
  letter-spacing: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 760px) {
  .file-row {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 6px var(--space-4);
    padding: var(--space-4) var(--space-5);
  }
  .file-row .file-type { grid-row: 1; grid-column: 1; }
  .file-row .file-name { grid-row: 1; grid-column: 2; }
  .file-row .file-desc { grid-row: 2; grid-column: 1 / -1; }
  .file-row .file-meta { display: none; }
}

/* ---- Screenshot / mock frame (shadow-bordered image holder) ---- */
.shot-frame {
  background: var(--bg-page);
  box-shadow: var(--shadow-card-stack);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  overflow: hidden;
}
.shot-frame .shot-inner {
  border-radius: var(--radius-lg);
  background: var(--bg-tint);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.shot-frame .shot-placeholder {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--text-4);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
}

/* ---- Real screenshot (image with shadow border + caption) ---- */
.shot-real {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  background: var(--bg-page);
  transition: box-shadow var(--dur-base) var(--ease-out);
}
.shot-real:hover { box-shadow: var(--shadow-card-stack); }
.shot-real img {
  display: block;
  width: 100%;
  height: auto;
}
.shot-real-wide {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card-stack);
  overflow: hidden;
  background: var(--bg-page);
}
.shot-real-wide img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---- Shot card (image + caption below) ---- */
.shot-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.shot-card .shot-caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--text-3);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  padding-inline: var(--space-2);
}
.shot-card .shot-caption .shot-num {
  color: var(--text-4);
  font-weight: 500;
}
.shot-card .shot-caption .shot-text {
  color: var(--text-2);
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-small);
}

/* ---- Gallery (multi-shot grid) ---- */
.gallery-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.gallery-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 900px) {
  .gallery-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .gallery-2, .gallery-3 { grid-template-columns: 1fr; }
}

/* ---- FAQ list (rows separated by inset shadow lines) ---- */
.faq-list {
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-lg);
  background: var(--bg-page);
  overflow: hidden;
}
.faq-item {
  padding: var(--space-5) var(--space-6);
  box-shadow: inset 0 1px 0 0 var(--border-shadow-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.faq-item:first-child { box-shadow: none; }
.faq-item .faq-q {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}
.faq-item .faq-q::before {
  content: 'Q';
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--text-4);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
}
.faq-item .faq-a {
  font-size: var(--text-body);
  color: var(--text-2);
  line-height: 1.6;
  padding-left: var(--space-5);
}

/* ---- Spec / data sheet (key-value rows) ---- */
.spec-sheet {
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-lg);
  background: var(--bg-page);
  overflow: hidden;
}
.spec-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-6);
  box-shadow: inset 0 1px 0 0 var(--border-shadow-light);
  align-items: baseline;
}
.spec-row:first-child { box-shadow: none; }
.spec-row .spec-key {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
}
.spec-row .spec-val {
  font-size: var(--text-body);
  color: var(--text-1);
  line-height: 1.5;
}
.spec-row .spec-val .text-2 { color: var(--text-2); }
@media (max-width: 600px) {
  .spec-row { grid-template-columns: 1fr; gap: 4px; }
}

/* ---- Split section (text left, visual right) ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: var(--space-6); }
}

/* ---- Subsection header (smaller than main section header) ---- */
.subsection-header {
  margin-bottom: var(--space-6);
}
.subsection-header .eyebrow { margin-bottom: var(--space-3); }
.subsection-title {
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: var(--tracking-h2);
  line-height: 1.2;
  color: var(--text-1);
  margin-bottom: var(--space-3);
}
.subsection-sub {
  font-size: var(--text-body);
  color: var(--text-2);
  line-height: 1.6;
  max-width: 60ch;
}

/* ---- Inline anchor target offset (for sticky nav) ---- */
[id] { scroll-margin-top: calc(var(--nav-height) + var(--space-5)); }

/* ---- Capability list (mono bullet style, shared across pages) ---- */
.capability-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.capability-list li {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-2);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.6;
  letter-spacing: 0;
}
.capability-list li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--text-4);
  font-family: var(--font-mono);
}
.capability-list li code {
  font-family: var(--font-mono);
  background: var(--bg-tint);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.92em;
  color: var(--text-1);
}

/* ---- QR placeholder (微信客服二维码 · 待补) ---- */
.qr-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--bg-tint);
  border-radius: var(--radius-lg);
}
.qr-placeholder {
  width: 200px;
  height: 200px;
  background: var(--bg-page);
  border: 1.5px dashed var(--text-4);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  position: relative;
  flex-shrink: 0;
}
.qr-placeholder svg {
  width: 58%;
  height: 58%;
  color: var(--text-4);
  opacity: 0.65;
}
.qr-placeholder-tag {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--text-4);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  background: var(--bg-page);
  padding: 0 var(--space-2);
}
.qr-caption {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-3);
  line-height: 1.65;
  letter-spacing: var(--tracking-mono);
}
.qr-caption-strong {
  display: block;
  color: var(--text-1);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 500;
  letter-spacing: 0;
  margin-bottom: var(--space-1);
}