:root {
  --bg: #f7f5f1;
  --ink: #1c1a17;
  --muted: #5c574f;
  --line: #d9d3c8;
  --card: #ffffff;
  --accent: #0f4c5c;
  --accent-ink: #ffffff;
  --warn-bg: #f3eee3;
  --font: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
}

.container {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.brand-category {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav a.active {
  color: var(--ink);
}

main.container {
  flex: 1;
  padding: 2.5rem 0 3rem;
}

.hero {
  padding: 2rem 0 1rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

h1.brand-hero {
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  margin: 0 0 0.5rem;
}

.tagline {
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  color: var(--ink);
  max-width: 36rem;
  margin: 0 0 1rem;
}

.lede {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 0 1.5rem;
}

.scan-limits {
  max-width: 36rem;
  margin: 0 0 1.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.scan-limits-title {
  margin: 0 0 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.scan-limits ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.scan-limits li {
  margin: 0.25rem 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.secondary-links {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.secondary-links a {
  color: var(--muted);
  text-decoration: none;
}

.secondary-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.secondary-links span {
  margin: 0 0.35rem;
}

.button {
  display: inline-block;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.form-submit-status {
  min-height: 1.4rem;
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.7;
  cursor: wait;
}

.button:hover {
  border-color: var(--ink);
}

.button:focus-visible,
.nav a:focus-visible,
.secondary-links a:focus-visible,
.brand:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* —— Production landing page —— */

.landing {
  padding-bottom: 4rem;
}

.landing-hero {
  padding: 2.25rem 0 2.5rem;
  margin: 0 0 0.5rem;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(165deg, rgba(15, 76, 92, 0.06) 0%, transparent 42%),
    linear-gradient(180deg, #fffefb 0%, var(--bg) 100%);
  border-radius: 0 0 8px 8px;
}

.landing-hero .brand-hero {
  display: block;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 0.65rem;
  color: var(--ink);
}

.landing-hero h1 {
  font-size: clamp(1.45rem, 3.2vw, 1.9rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 34rem;
  margin: 0 0 1rem;
}

.landing-hero .lede {
  max-width: 40rem;
}

.landing-section {
  padding: 2.5rem 0 0;
}

.landing-section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 2.8vw, 1.65rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.section-lede {
  margin: 0 0 1.25rem;
  color: var(--muted);
  max-width: 40rem;
}

.workflow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .workflow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

.workflow-step {
  margin: 0;
  padding: 1rem 1.1rem;
  border-top: 3px solid var(--accent);
  background: var(--card);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.workflow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.workflow-step-label {
  margin: 0 0 0.5rem !important;
  font-weight: 600;
  color: var(--ink) !important;
  font-size: 1.05rem !important;
}

.workflow-step-num {
  display: inline-block;
  min-width: 1.25rem;
  margin-right: 0.35rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.featured-snapshot {
  margin: 0;
  padding: 1.25rem 1.35rem 1.35rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.featured-kicker {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  color: var(--muted);
}

.featured-name {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.featured-desc {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 42rem;
}

.featured-excerpt {
  margin: 0 0 1.15rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--accent);
  background: var(--bg);
}

.featured-meta {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
}

.featured-meta:last-child {
  margin-bottom: 0;
}

.featured-meta-label {
  display: inline-block;
  min-width: 9.5rem;
  font-weight: 600;
  color: var(--ink);
}

.featured-observation {
  margin: 0.9rem 0 0;
  padding: 0;
  border: 0;
}

.featured-observation-title {
  margin: 0 0 0.35rem;
  font-weight: 600;
  color: var(--ink);
}

.featured-observation p {
  margin: 0;
  color: var(--muted);
}

.receive-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .receive-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

.receive-card {
  margin: 0;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.receive-card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
}

.receive-card ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.receive-card li {
  margin: 0.3rem 0;
}

.principles-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 560px) {
  .principles-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.principles-list li {
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: var(--card);
  font-weight: 600;
}

.landing-final {
  margin-top: 1rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.landing-final .cta-row {
  margin-top: 1rem;
}

.landing-limits-note {
  margin: 1.25rem 0 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.page h1 {
  margin-bottom: 1rem;
}

.placeholder-note {
  background: var(--warn-bg);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  border-radius: 4px;
}

.empty {
  color: var(--muted);
  font-style: italic;
}

.build-entry {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.25rem 1.35rem;
  margin: 1.25rem 0;
}

.build-entry header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.build-entry h2 {
  margin: 0;
  font-size: 1.2rem;
}

.build-entry time {
  color: var(--muted);
  font-size: 0.9rem;
}

.prose :first-child {
  margin-top: 0;
}

.prose :last-child {
  margin-bottom: 0;
}

.upload-form {
  max-width: 36rem;
  margin: 1.5rem 0;
}

.field-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.upload-form input[type="file"],
.upload-form .text-input {
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  margin-bottom: 0.5rem;
}

.upload-form .text-input {
  min-height: 3rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink);
  font-size: 1.05rem;
}

.upload-form .url-input {
  font-size: 1.1rem;
}

.upload-form .button.primary {
  width: 100%;
  text-align: center;
  min-height: 3rem;
  font-size: 1.05rem;
}

.source-selector {
  max-width: 36rem;
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
}

.source-selector legend {
  padding: 0;
}

.source-options {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.source-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 1.05rem;
  cursor: pointer;
}

.source-option input {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
}

.source-panel {
  max-width: 36rem;
}

.source-privacy {
  margin: 0 0 1.25rem;
}

.field-hint {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (min-width: 640px) {
  .source-options {
    flex-direction: row;
  }

  .source-option {
    flex: 1 1 0;
  }

  .upload-form .button.primary {
    width: auto;
  }
}

@media (max-width: 639px) {
  .status-meta div {
    grid-template-columns: 1fr;
  }

  .free-scan,
  .free-scan-status,
  .free-scan-snapshot {
    overflow-x: hidden;
  }
}

.form-banner {
  max-width: 36rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  margin: 0 0 1.25rem;
}

.form-banner p {
  margin: 0 0 0.5rem;
}

.form-banner p:last-child {
  margin-bottom: 0;
}

.form-banner .meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.form-banner.success {
  background: #eef6f2;
  border-color: #b7d4c6;
}

.form-banner.error {
  background: #f8eeee;
  border-color: #e0c4c4;
}

.status-card {
  max-width: 36rem;
  margin: 0 0 1.25rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.status-label {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.status-card > .meta {
  margin: 0 0 1rem;
}

.status-meta {
  margin: 0;
}

.status-meta div {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 0.35rem 1rem;
  margin: 0.4rem 0;
}

.status-meta dt {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.status-meta dd {
  margin: 0;
  word-break: break-word;
}

.status-card code {
  font-size: 0.9em;
}

.inventory-subtitle {
  margin: 1.1rem 0 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.inventory-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.inventory-list li {
  margin: 0.2rem 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.footer-inner p {
  margin: 0;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.site-footer span[aria-hidden="true"] {
  margin: 0 0.35rem;
}

.free-scan-snapshot .status-card {
  max-width: 48rem;
}

.example-snapshot-banner {
  max-width: 48rem;
  background: var(--card);
  border-color: var(--line);
}

.example-snapshot-banner-title {
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.snapshot-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.snapshot-label {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #efece6;
  color: var(--muted);
  font-size: 0.8125rem; /* 13px */
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0;
  cursor: default;
  user-select: text;
  text-decoration: none;
  box-shadow: none;
}

.snapshot-label:hover,
.snapshot-label:active,
.snapshot-label:focus,
.snapshot-label:focus-visible {
  background: #efece6;
  border-color: var(--line);
  color: var(--muted);
  box-shadow: none;
  outline: none;
  cursor: default;
}

.snapshot-meta {
  margin: 0 0 1.25rem;
}

.snapshot-findings {
  margin: 0;
  padding-left: 1.2rem;
}

.snapshot-findings > li {
  margin: 0.75rem 0;
}

.snapshot-findings .provenance {
  margin: 0.25rem 0 0;
}

.confidence {
  display: inline-block;
  margin-left: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

.upgrade-cta {
  border-color: var(--accent);
}

.upgrade-support {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.snapshot-brief-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.compare-col {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1rem 1.1rem;
}

.compare-title {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-weight: 600;
}

.compare-col ul {
  margin: 0;
  padding-left: 1.1rem;
}

.compare-col li {
  margin: 0.35rem 0;
}

.field-error {
  margin: 0.35rem 0 0.75rem;
  color: #8a1f1f;
  font-size: 0.9rem;
}

.optional {
  color: var(--muted);
  font-weight: 400;
}

.textarea-input {
  min-height: 6rem;
  resize: vertical;
  font: inherit;
}

@media (max-width: 720px) {
  .snapshot-brief-compare {
    grid-template-columns: 1fr;
  }
}

.cta-row {
  margin: 1rem 0;
}

.free-scan-snapshot h2.status-label {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.coverage-summary {
  margin: 0.75rem 0 1rem;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.45;
}

.evidence-notice {
  margin: 0.75rem 0 1rem;
}

.evidence-warnings {
  margin-bottom: 1rem;
}

.evidence-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 1rem;
  font-size: 0.9rem;
}

.evidence-table th,
.evidence-table td {
  border: 1px solid var(--line);
  padding: 0.4rem 0.55rem;
  text-align: left;
  vertical-align: top;
}

.evidence-table th {
  font-weight: 600;
  background: var(--card);
}

.evidence-table code {
  font-size: 0.85em;
  word-break: break-all;
}

.evidence-provenance {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.evidence-provenance summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.evidence-provenance .status-meta {
  margin-top: 0.75rem;
}

.tech-group {
  margin: 0 0 1rem;
}

.tech-undetermined {
  margin: 0.35rem 0 0.75rem;
  color: var(--muted);
  font-weight: 600;
}

.tech-cards {
  list-style: none;
  margin: 0.35rem 0 0.75rem;
  padding: 0;
}

.tech-card {
  margin: 0 0 0.75rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.tech-card-title {
  margin: 0 0 0.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.6rem;
}

.tech-name {
  font-weight: 600;
}

.tech-card-meta {
  margin: 0;
}

.tech-card-meta div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.25rem 0.75rem;
  margin: 0.25rem 0;
}

.tech-card-meta dt {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.tech-card-meta dd {
  margin: 0;
  word-break: break-word;
}

.tech-card-meta code {
  font-size: 0.85em;
}

.obs-cards {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

.obs-card {
  margin: 0 0 0.85rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.obs-card-title {
  margin: 0 0 0.4rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
}

.obs-title {
  font-weight: 600;
}

.obs-type {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.obs-statement {
  margin: 0 0 0.5rem;
  line-height: 1.45;
}

.obs-card .provenance {
  margin-top: 0.5rem;
}

.dim-cards,
.gap-cards {
  list-style: none;
  margin: 0.5rem 0 0.75rem;
  padding: 0;
}

.dim-card,
.gap-card {
  margin: 0 0 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.dim-card-title,
.gap-card-title {
  margin: 0 0 0.35rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
}

.dim-name,
.gap-title {
  font-weight: 600;
}

.gap-statement {
  margin: 0 0 0.35rem;
  line-height: 1.45;
}