:root {
  --bg: #ffffff;
  --bg-muted: #f8fafc;
  --bg-subtle: #eff6ff;
  --surface: rgba(255, 255, 255, 0.98);
  --surface-strong: #ffffff;
  --surface-dark: #0f172a;
  --text: #0f172a;
  --text-soft: #475569;
  --text-faint: #64748b;
  --line: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.16);
  --accent: #2563eb;
  --accent-deep: #0f172a;
  --accent-soft: #dbeafe;
  --success: #15803d;
  --shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.05);
  --shadow-strong: 0 18px 42px rgba(15, 23, 42, 0.08);
  --radius-xl: 22px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-heading: "Avenir Next", "Segoe UI", "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  font-family: var(--font-body);
  line-height: 1.65;
  letter-spacing: -0.01em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(37, 99, 235, 0.06), transparent 14%),
    linear-gradient(90deg, rgba(15, 23, 42, 0.02) 1px, transparent 1px),
    linear-gradient(rgba(15, 23, 42, 0.02) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18), transparent 44%);
}

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

img {
  max-width: 100%;
}

code {
  padding: 0.12rem 0.42rem;
  border-radius: 999px;
  background: rgba(29, 78, 216, 0.08);
  color: var(--accent-deep);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 0.9em;
}

.page-shell {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 5rem;
}

.page-shell-narrow {
  width: min(940px, calc(100% - 2rem));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.15rem;
  margin-bottom: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 1rem;
  z-index: 10;
}

.button-topbar-logout {
  min-height: 2.75rem;
  padding-inline: 1rem;
  white-space: nowrap;
}

.brand,
h1,
h2,
h3,
.button,
.step-number,
.pricing-price,
.case-tag,
.card-label,
.eyebrow,
.field-label {
  font-family: var(--font-heading);
}

.brand {
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.topbar-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  color: var(--text-faint);
  font-size: 0.95rem;
  font-weight: 600;
}

.topbar-nav a:hover {
  color: var(--text);
}

.hero,
.cta-panel,
.upload-layout,
.steps-grid,
.pricing-grid,
.case-grid,
.topic-grid,
.audience-grid {
  display: grid;
  gap: 1.25rem;
}

.hero {
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.95fr);
  align-items: stretch;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.hero-copy,
.hero-card,
.case-card,
.topic-card,
.step-card,
.pricing-card,
.audience-card,
.sidebar-card,
.upload-card,
.cta-panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.hero-copy::after,
.cta-panel::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: linear-gradient(90deg, var(--accent) 0%, rgba(37, 99, 235, 0.16) 100%);
  opacity: 1;
}

.hero-copy {
  padding: 3rem 3rem 2.6rem;
  overflow: hidden;
}

.hero-card,
.hero-card-large {
  padding: 1.75rem;
}

.hero-card {
  color: #e2e8f0;
  background: linear-gradient(180deg, #0f172a 0%, #111c34 100%);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.18);
}

.hero-card-large {
  padding: 2.4rem;
}

.eyebrow,
.card-label,
.case-tag,
.pricing-label {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 10.5em;
  font-size: clamp(2.7rem, 5.7vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

h2 {
  max-width: 14ch;
  font-size: clamp(1.95rem, 3.3vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.15rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

p {
  margin: 0;
}

.hero-text,
.section-heading p:last-child,
.pricing-copy,
.completion-text {
  color: var(--text-soft);
}

.hero-text {
  margin-top: 1.35rem;
  max-width: 41rem;
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.05);
  color: var(--accent);
  font-size: 0.83rem;
  font-weight: 700;
  white-space: nowrap;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.6rem;
}

.hero-highlight-card {
  padding: 1rem 1rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.hero-highlight-card strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.98rem;
  line-height: 1.45;
}

.hero-highlight-card p {
  color: var(--text-soft);
  font-size: 0.93rem;
  line-height: 1.6;
}

.hero-highlight-label {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.85rem;
}

.hero-proof,
.plain-list {
  margin: 1.4rem 0 0;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.plain-list {
  padding-left: 1.1rem;
  color: var(--text-soft);
}

.hero-proof-item {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}

.hero-proof-item span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text-faint);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-proof-item strong {
  font-size: 0.98rem;
}

.plain-list li {
  padding-left: 0.1rem;
}

.hero-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hero-card-title {
  max-width: none;
  font-size: 1.4rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-card-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.32rem 0.7rem;
  border: 1px solid rgba(147, 197, 253, 0.18);
  border-radius: 999px;
  color: #bfdbfe;
  background: rgba(147, 197, 253, 0.08);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-card-summary {
  margin-bottom: 1rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
}

.hero-card-summary-label,
.hero-card-section-label {
  margin-bottom: 0.45rem;
  color: #93c5fd;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-card-summary strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.1rem;
  color: #f8fafc;
  line-height: 1.4;
}

.hero-card-summary p:last-child {
  color: #cbd5e1;
}

.hero-card-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 1.05rem;
}

.hero-card-metric {
  padding: 0.9rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.hero-card-metric span {
  display: block;
  margin-bottom: 0.3rem;
  color: #93c5fd;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-card-metric strong {
  color: #f8fafc;
  font-size: 0.98rem;
  line-height: 1.4;
}

.signal-preview {
  display: grid;
  gap: 0.95rem;
}

.signal-row {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.signal-row span {
  display: block;
  margin-bottom: 0.35rem;
  color: #93c5fd;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.signal-row strong {
  font-size: 1rem;
  line-height: 1.5;
  color: #f8fafc;
}

.section {
  margin-top: 1.8rem;
}

.section-compact {
  margin-top: 0;
}

.section-accent .topic-card,
.section-accent .audience-card {
  background: var(--surface);
}

.section-heading {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1.15rem;
}

.section-heading > p:last-child {
  max-width: 48rem;
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card,
.step-card,
.topic-card,
.audience-card,
.pricing-card,
.sidebar-card {
  padding: 1.55rem;
}

.case-card dl {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0 0;
}

.case-card dt {
  font-family: var(--font-heading);
  font-weight: 750;
  color: var(--text);
}

.case-card dd {
  margin: 0.25rem 0 0;
  color: var(--text-soft);
}

.topic-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.topic-card,
.step-card,
.audience-card,
.pricing-card,
.sidebar-card,
.case-card,
.upload-card,
.lead-form,
.hero-card {
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    border-color 200ms ease;
}

.topic-card:hover,
.step-card:hover,
.audience-card:hover,
.pricing-card:hover,
.sidebar-card:hover,
.case-card:hover,
.hero-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.18);
  box-shadow: var(--shadow-strong);
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  padding: 0 0.9rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 800;
}

.pricing-grid,
.audience-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-card-featured {
  border-color: rgba(37, 99, 235, 0.22);
  background: linear-gradient(180deg, rgba(248, 251, 255, 1) 0%, rgba(255, 255, 255, 1) 100%);
}

.pricing-price {
  margin: 0.75rem 0;
  font-size: 1.95rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.cta-panel {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  padding: 1.75rem;
  overflow: hidden;
}

.cta-copy {
  padding: 0.65rem;
}

.lead-form,
.upload-card {
  display: grid;
  gap: 0.9rem;
}

.lead-form {
  padding: 1.45rem;
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: none;
}

.field-label {
  font-size: 0.9rem;
  font-weight: 700;
}

.text-input,
.dropzone {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: #ffffff;
}

.text-input {
  padding: 1rem 1rem;
  color: var(--text);
  font: inherit;
}

.text-input::placeholder {
  color: #94a3b8;
}

.text-input:focus,
.dropzone:focus-within {
  outline: none;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.95rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.97rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
}

.button-primary:hover {
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.2);
}

.button-secondary {
  border-color: var(--line-strong);
  background: #ffffff;
  color: var(--text);
}

.button-wide {
  width: 100%;
}

.form-note,
.form-status,
.selected-file,
.dropzone-subtext,
.upload-feedback,
.sidebar-card p,
.step-card p,
.topic-card p,
.audience-card p {
  color: var(--text-soft);
}

.form-status {
  min-height: 1.4rem;
  font-size: 0.94rem;
}

.stack-layout {
  display: grid;
  gap: 1.6rem;
}

.admin-toolbar {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(240px, 320px);
  gap: 1rem;
}

.hero-admin {
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 420px);
}

.admin-console-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.admin-summary-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.admin-summary-card h2 {
  max-width: none;
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.admin-session-card {
  border-color: rgba(37, 99, 235, 0.14);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.admin-session-card[data-session-state="signed-in"] {
  border-color: rgba(21, 128, 61, 0.18);
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
}

.admin-session-email {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  width: fit-content;
  margin-top: 0.9rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.92rem;
}

.admin-helper-text {
  color: var(--text-soft);
}

.admin-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.admin-schema-upload-form {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--line);
}

.admin-auth-card,
.admin-filters-card,
.admin-empty-card,
.admin-lead-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.admin-auth-card[hidden] {
  display: none;
}

.admin-auth-card,
.admin-filters-card,
.admin-empty-card {
  padding: 1.35rem;
}

.admin-auth-card,
.admin-filters-card {
  display: grid;
  gap: 0.85rem;
}

.admin-list {
  display: grid;
  gap: 1rem;
}

.admin-empty-card h2 {
  max-width: none;
  margin-bottom: 0.4rem;
  font-size: 1.2rem;
}

.admin-lead-card {
  padding: 1.4rem;
}

.admin-lead-card-head,
.admin-card-footer,
.admin-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-lead-card-head {
  align-items: flex-start;
  margin-bottom: 1rem;
}

.admin-lead-email {
  max-width: none;
  font-size: 1.35rem;
}

.admin-status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-new {
  color: #1d4ed8;
  background: rgba(37, 99, 235, 0.12);
}

.status-reviewed {
  color: #0f766e;
  background: rgba(13, 148, 136, 0.12);
}

.status-contacted {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.12);
}

.status-qualified {
  color: #15803d;
  background: rgba(34, 197, 94, 0.12);
}

.status-archived {
  color: #64748b;
  background: rgba(100, 116, 139, 0.14);
}

.status-linked {
  color: #15803d;
  background: rgba(34, 197, 94, 0.12);
}

.status-unlinked {
  color: #b45309;
  background: rgba(245, 158, 11, 0.16);
}

.status-pending {
  color: #b45309;
  background: rgba(245, 158, 11, 0.16);
}

.status-published {
  color: #15803d;
  background: rgba(34, 197, 94, 0.12);
}

.status-ready {
  color: #15803d;
  background: rgba(34, 197, 94, 0.12);
}

.status-no-signal {
  color: #0369a1;
  background: rgba(14, 165, 233, 0.12);
}

.status-needs-review {
  color: #b45309;
  background: rgba(245, 158, 11, 0.16);
}

.status-rejected {
  color: #b91c1c;
  background: rgba(239, 68, 68, 0.12);
}

.admin-meta-grid,
.admin-edit-grid,
.admin-upload-meta-grid {
  display: grid;
  gap: 0.8rem;
}

.admin-meta-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.admin-upload-meta-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.admin-schema-meta-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.admin-meta-item,
.admin-field {
  display: grid;
  gap: 0.4rem;
}

.admin-meta-item {
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-muted);
}

.admin-meta-item span,
.admin-timestamps span {
  color: var(--text-faint);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.admin-edit-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.admin-textarea {
  width: 100%;
  min-height: 120px;
  padding: 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--text);
  font: inherit;
  resize: vertical;
}

.admin-textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.admin-card-footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.admin-upload-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.admin-schema-card {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.admin-schema-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-schema-candidates-list {
  gap: 1rem;
}

.admin-schema-diff-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.admin-upload-signature {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #f8fafc;
}

.admin-upload-signature p:last-child {
  margin: 0;
  word-break: break-word;
}

.admin-json-preview {
  margin: 0;
  overflow-x: auto;
  color: var(--text-soft);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.admin-timestamps {
  display: grid;
  gap: 0.25rem;
}

.upload-layout {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  align-items: start;
}

.upload-card {
  padding: 1.6rem;
}

.upload-context-card {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #f8fafc;
}

.upload-context-card strong {
  font-family: var(--font-heading);
  font-size: 1.04rem;
  letter-spacing: -0.02em;
}

.dropzone {
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 1.3rem;
  text-align: center;
  cursor: pointer;
  border-style: dashed;
  border-width: 2px;
  background: #ffffff;
}

.dropzone.is-dragover {
  background: rgba(239, 246, 255, 0.75);
  border-color: rgba(37, 99, 235, 0.4);
}

.dropzone input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.dropzone-label {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 800;
}

.upload-feedback {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(21, 128, 61, 0.18);
  border-radius: var(--radius-md);
  background: #f0fdf4;
}

.upload-feedback[hidden] {
  display: none;
}

.upload-feedback-title {
  color: var(--success);
  font-family: var(--font-heading);
  font-weight: 800;
}

.platform-detection-card {
  display: grid;
  gap: 1rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.platform-detection-card[hidden] {
  display: none;
}

.platform-detection-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.platform-detection-copy {
  display: grid;
  gap: 0.2rem;
}

.platform-detection-copy strong {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.platform-detection-confidence {
  color: var(--text-faint);
  font-size: 0.9rem;
}

.platform-detection-meta {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.platform-detection-meta div {
  display: grid;
  gap: 0.2rem;
}

.platform-detection-meta dt {
  color: var(--text-faint);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.platform-detection-meta dd {
  margin: 0;
  color: var(--text-soft);
}

.platform-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
  border: 1px solid transparent;
  border-radius: 1rem;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.platform-shopify {
  color: #166534;
  border-color: rgba(22, 101, 52, 0.12);
  background: rgba(34, 197, 94, 0.12);
}

.platform-stores {
  color: #1d4ed8;
  border-color: rgba(37, 99, 235, 0.12);
  background: rgba(37, 99, 235, 0.1);
}

.platform-colorme {
  color: #be123c;
  border-color: rgba(225, 29, 72, 0.12);
  background: rgba(244, 63, 94, 0.1);
}

.platform-futureshop {
  color: #7c3aed;
  border-color: rgba(124, 58, 237, 0.12);
  background: rgba(139, 92, 246, 0.1);
}

.platform-base {
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.12);
  background: rgba(15, 23, 42, 0.08);
}

.platform-unknown {
  color: var(--text-faint);
  border-color: rgba(100, 116, 139, 0.14);
  background: rgba(148, 163, 184, 0.1);
}

.result-hero-card {
  display: grid;
  gap: 1rem;
  color: #e2e8f0;
  background: linear-gradient(180deg, #0f172a 0%, #111c34 100%);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.18);
}

.result-meta-grid,
.result-grid {
  display: grid;
  gap: 0.9rem;
}

.result-meta-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.result-meta-item,
.result-detail-card,
.result-evidence-card,
.result-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.result-meta-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
}

.result-meta-item span {
  color: rgba(226, 232, 240, 0.72);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result-meta-item strong {
  color: #ffffff;
}

.result-body {
  display: grid;
  gap: 1rem;
}

.result-secondary-section {
  display: grid;
  gap: 1rem;
}

.result-secondary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.result-card {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
}

.result-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.result-confidence {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 800;
}

.result-summary-copy {
  margin: 0;
  color: var(--text-soft);
  font-size: 1.02rem;
}

.result-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-detail-card,
.result-evidence-card {
  padding: 1rem 1.05rem;
}

.result-detail-card p:last-child,
.result-evidence-card p:last-child,
.result-card-empty p:last-child {
  margin-bottom: 0;
}

.possible-causes-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-soft);
}

.possible-causes-list li + li {
  margin-top: 0.45rem;
}

.result-card-empty {
  text-align: center;
}

.result-card-secondary h3 {
  max-width: none;
  font-size: 1.35rem;
}

.result-secondary-meta {
  display: grid;
  gap: 0.75rem;
  color: var(--text-soft);
}

.result-secondary-meta p {
  margin: 0;
}

.result-navigation-panel {
  display: grid;
}

.result-navigation-card {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.result-navigation-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.result-navigation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.result-navigation-item,
.result-inline-context {
  display: grid;
  gap: 0.65rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-muted);
}

.result-navigation-item.is-disabled {
  opacity: 0.72;
}

.result-navigation-item p:last-child,
.result-inline-context p:last-child {
  margin-bottom: 0;
}

.hero-dashboard {
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 420px);
}

.client-dashboard-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.client-compare-panel {
  display: grid;
}

.client-compare-card,
.client-compare-empty {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.client-compare-empty {
  text-align: center;
}

.client-analysis-causes {
  margin-top: 0.9rem;
}

.client-compare-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.client-compare-head h3 {
  max-width: none;
  margin-bottom: 0.2rem;
}

.client-compare-head-subtle {
  align-items: end;
}

.client-compare-head-subtle h4 {
  margin: 0.15rem 0 0;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.client-compare-grid,
.client-compare-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.client-compare-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.client-compare-column,
.client-compare-summary,
.client-compare-callout {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-muted);
}

.client-compare-column p:last-child,
.client-compare-summary p:last-child,
.client-compare-callout p:last-child {
  margin-bottom: 0;
}

.client-compare-metrics-section {
  display: grid;
  gap: 0.75rem;
}

.client-compare-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.client-metric-card,
.client-metric-empty {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-muted);
}

.client-metric-empty {
  text-align: center;
}

.client-metric-empty p:last-child {
  margin-bottom: 0;
}

.client-metric-card {
  display: grid;
  gap: 0.9rem;
}

.client-metric-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 0.8rem;
}

.client-metric-head h4 {
  margin: 0.15rem 0 0;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.client-metric-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.client-metric-badge.tone-positive {
  border-color: rgba(5, 150, 105, 0.18);
  background: rgba(236, 253, 245, 0.9);
  color: #047857;
}

.client-metric-badge.tone-negative {
  border-color: rgba(220, 38, 38, 0.16);
  background: rgba(254, 242, 242, 0.92);
  color: #b91c1c;
}

.client-metric-badge.tone-stable {
  border-color: rgba(59, 130, 246, 0.16);
  background: rgba(239, 246, 255, 0.92);
  color: #1d4ed8;
}

.client-metric-primary {
  display: grid;
  gap: 0.2rem;
}

.client-metric-primary strong {
  font-size: 1.45rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.client-metric-primary p:last-child {
  margin-bottom: 0;
}

.client-metric-rows {
  display: grid;
  gap: 0.55rem;
}

.client-metric-row {
  display: grid;
  gap: 0.12rem;
}

.client-metric-row span {
  color: var(--muted);
  font-size: 0.84rem;
}

.client-metric-row strong {
  font-size: 1rem;
}

.client-metric-row small {
  color: var(--muted);
  font-size: 0.8rem;
}

.hero-demo,
.hero-demo-detail {
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 420px);
}

.demo-scenario-grid,
.demo-signal-grid,
.demo-product-grid,
.demo-checkpoint-grid {
  display: grid;
  gap: 1rem;
}

.demo-scenario-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-signal-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-product-grid,
.demo-checkpoint-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-scenario-card,
.demo-signal-card,
.demo-product-card,
.demo-checkpoint-card,
.demo-chart-card,
.demo-loading-card {
  display: grid;
  gap: 0.9rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.demo-scenario-card h3,
.demo-signal-card h3,
.demo-product-card h3,
.demo-chart-card h3 {
  max-width: none;
  margin-bottom: 0;
}

.demo-scenario-card-head,
.demo-chart-head,
.demo-product-card {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.demo-scenario-card.tone-blue {
  border-color: rgba(37, 99, 235, 0.18);
}

.demo-scenario-card.tone-amber {
  border-color: rgba(217, 119, 6, 0.18);
}

.demo-scenario-card.tone-green {
  border-color: rgba(5, 150, 105, 0.18);
}

.demo-scenario-meta {
  display: grid;
  gap: 0.15rem;
}

.demo-scenario-meta p,
.demo-scenario-actions,
.demo-loading-card p:last-child,
.demo-checkpoint-card p:last-child,
.demo-signal-card p:last-child {
  margin-bottom: 0;
}

.demo-signal-action {
  display: grid;
  gap: 0.35rem;
  padding-top: 0.1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.22);
}

.demo-signal-causes {
  display: grid;
  gap: 0.45rem;
  padding-top: 0.1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.22);
}

.demo-signal-action p:last-child {
  color: var(--muted);
  line-height: 1.7;
}

.demo-signal-causes ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.demo-signal-causes li + li {
  margin-top: 0.4rem;
}

.demo-scenario-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.demo-hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.demo-callout-loss {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(245, 158, 11, 0.08));
  border: 1px solid rgba(239, 68, 68, 0.12);
}

.demo-product-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: center;
}

.demo-product-image {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 24px;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.demo-product-image.accent-blue {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.demo-product-image.accent-green {
  background: linear-gradient(135deg, #059669, #047857);
}

.demo-product-image.accent-sand {
  background: linear-gradient(135deg, #d97706, #b45309);
}

.demo-chart-stack {
  display: grid;
  gap: 1rem;
}

.demo-bar-chart,
.demo-mini-series-bars {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(16px, 1fr);
  align-items: end;
  gap: 0.35rem;
  height: 220px;
  min-height: 220px;
}

.demo-chart-bar-group,
.demo-mini-series-bar {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.35rem;
  height: 100%;
  min-width: 16px;
}

.demo-chart-bar,
.demo-mini-series-bar .swatch {
  width: 100%;
  border-radius: 999px 999px 6px 6px;
}

.demo-chart-bar {
  align-self: end;
  min-height: 10px;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.92), rgba(29, 78, 216, 0.72));
}

.demo-chart-bar-group span,
.demo-mini-series-bar span {
  font-size: 0.68rem;
  color: var(--muted);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.demo-line-chart-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.demo-line-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
}

.demo-line-chart-legend .swatch {
  width: 48px;
  height: 10px;
  min-height: 10px;
  border-radius: 999px;
  flex: 0 0 auto;
}

.demo-line-chart-grid {
  display: grid;
  gap: 1rem;
}

.demo-mini-series {
  display: grid;
  gap: 0.6rem;
}

.swatch {
  display: inline-block;
  min-height: 10px;
}

.demo-mini-series-bar .swatch {
  align-self: end;
  min-height: 8px;
}

.swatch-1 {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.92), rgba(29, 78, 216, 0.72));
}

.swatch-2 {
  background: linear-gradient(180deg, rgba(5, 150, 105, 0.92), rgba(4, 120, 87, 0.72));
}

.swatch-3 {
  background: linear-gradient(180deg, rgba(217, 119, 6, 0.92), rgba(180, 83, 9, 0.72));
}

.demo-signal-cta-block {
  display: flex;
  justify-content: center;
  padding-top: 0.25rem;
}

.button-dark {
  color: #ffffff;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-color: rgba(15, 23, 42, 0.92);
  box-shadow: 0 18px 32px rgba(15, 23, 42, 0.16);
}

.button-dark:hover {
  background: linear-gradient(180deg, #334155 0%, #111827 100%);
  border-color: rgba(15, 23, 42, 1);
}

.button-demo-signal {
  width: min(100%, 640px);
  justify-content: center;
}

[data-demo-signals-section][hidden] {
  display: none;
}

[data-demo-signals-section][data-state="visible"] {
  animation: demoReveal 220ms ease-out;
}

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

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

.client-uploads-list {
  display: grid;
  gap: 1rem;
}

.client-upload-card {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.client-upload-card-empty {
  text-align: center;
}

.client-upload-head,
.client-secondary-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.client-upload-head h2,
.client-primary-analysis h3 {
  max-width: none;
  margin-bottom: 0.2rem;
}

.client-upload-meta,
.client-analysis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.client-analysis-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.client-upload-meta-item,
.client-analysis-detail,
.client-secondary-item,
.client-analysis-empty {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-muted);
}

.client-upload-meta-item span,
.client-analysis-detail .card-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-faint);
  font-size: 0.88rem;
}

.client-upload-meta-item strong {
  font-size: 1rem;
}

.client-primary-analysis,
.client-secondary-list,
.client-upload-actions {
  display: grid;
  gap: 0.9rem;
}

.client-secondary-item p,
.client-analysis-empty p,
.client-analysis-detail p:last-child {
  margin-bottom: 0;
}

.client-secondary-head span {
  color: var(--text-faint);
  font-size: 0.92rem;
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero,
  .cta-panel,
  .admin-toolbar,
  .admin-console-grid,
  .upload-layout,
  .case-grid,
  .topic-grid,
  .steps-grid,
  .pricing-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-highlights,
  .admin-meta-grid,
  .admin-upload-meta-grid,
  .admin-schema-meta-grid,
  .admin-edit-grid,
  .admin-schema-list,
  .admin-schema-diff-grid,
  .demo-scenario-grid,
  .demo-signal-grid,
  .demo-product-grid,
  .demo-checkpoint-grid,
  .result-meta-grid,
  .result-grid,
  .result-secondary-grid,
  .result-navigation-grid,
  .client-dashboard-grid,
  .client-compare-grid,
  .client-compare-summary-grid,
  .client-compare-metrics-grid,
  .demo-hero-meta,
  .demo-file-layout,
  .client-upload-meta,
  .client-analysis-grid,
  .hero-proof {
    grid-template-columns: 1fr;
  }

  h2 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .page-shell,
  .page-shell-narrow {
    width: min(100% - 1.2rem, 100%);
  }

  .topbar {
    position: static;
    border-radius: 24px;
    padding: 1rem;
  }

  .hero-copy,
  .hero-card,
  .cta-panel,
  .pricing-card,
  .case-card,
  .step-card,
  .topic-card,
  .audience-card,
  .upload-card,
  .sidebar-card,
  .lead-form {
    padding: 1.25rem;
  }

  h1 {
    font-size: 2.65rem;
  }

  .hero-actions,
  .topbar-nav,
  .demo-scenario-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-card-footer,
  .admin-card-actions,
  .admin-inline-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .topic-grid {
    grid-template-columns: 1fr;
  }
}