@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* Canvas */
  --bg: #f8f9fb;
  --bg-strong: #eef1f5;
  --panel: #ffffff;
  --panel-strong: #ffffff;
  /* Ink */
  --ink: #111827;
  --muted: #6b7280;
  --faint: #9ca3af;
  /* Lines */
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  /* Brand – teal */
  --teal: #0d7377;
  --teal-deep: #064e51;
  --teal-soft: #e0f5f5;
  --teal-hover: #0a5e61;
  /* Accent – warm rust for secondary CTA */
  --rust: #c2410c;
  --rust-soft: #fff7ed;
  /* Semantic */
  --clr-success: #059669;
  --clr-success-soft: #d1fae5;
  --clr-warning: #d97706;
  --clr-warning-soft: #fef3c7;
  --clr-danger: #dc2626;
  --clr-danger-soft: #fee2e2;
  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 24px rgba(0,0,0,.08), 0 4px 8px rgba(0,0,0,.04);
  /* Layout */
  --shell: min(1200px, calc(100% - 2rem));
  /* Radii */
  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --radius-pill: 999px;
  /* Type */
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.site-backdrop {
  display: none;
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.site-header__inner,
.site-footer__inner,
.page-intro,
.section-heading,
.result-card__header,
.result-card__footer,
.buyer-card__header,
.detail-grid,
.stack-card__header,
.pagination,
.cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__inner,
.site-footer__inner {
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.28rem;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand__mark,
h1,
h2,
h3,
.footer-title {
  font-family: var(--sans);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.brand__mark {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--teal-deep);
}

.brand__tag {
  max-width: 14rem;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.25;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

.site-nav {
  display: flex;
  flex: 1 1 auto;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  margin-left: auto;
}

/* Hamburger toggle — hidden on desktop, shown on mobile via media query */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.site-nav a,
.site-nav__button,
.text-link {
  text-decoration: none;
  color: var(--ink);
}

.site-nav a,
.site-nav__button {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.site-nav__form {
  display: flex;
  flex: 0 0 auto;
  margin: 0;
}

.site-nav__button {
  width: 100%;
}

.site-nav__cta {
  background: var(--teal);
  color: #fff !important;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.site-nav__button:hover,
.site-nav__button:focus-visible {
  background: var(--bg-strong);
  color: var(--teal);
}

.site-nav__cta:hover,
.site-nav__cta[aria-current="page"] {
  background: var(--teal-hover);
  color: #fff;
}

.site-main {
  padding: 1.5rem 0 4rem;
}

.hero,
.section {
  padding: 2rem 0;
}

.section--tight {
  padding-top: 1rem;
}

.hero__grid,
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 1.5rem;
}

.hero__copy,
.hero__panel,
.detail-main,
.detail-sidebar,
.filter-grid,
.result-card,
.buyer-card,
.sidebar-card,
.stack-card,
.summary-panel,
.empty-state {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero__copy,
.hero__panel,
.detail-main,
.detail-sidebar,
.sidebar-card,
.summary-panel,
.empty-state {
  padding: clamp(1.4rem, 3vw, 2.2rem);
}

.hero__copy h1,
.page-intro h1,
.detail-main h1 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.detail-main h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.eyebrow,
.metric-label,
.filter-grid label span,
.detail-grid span,
.deadline-stack span {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}

.lede {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
}

.lede--compact {
  max-width: 56ch;
  font-size: 1rem;
}

.cta-row {
  margin-top: 2rem;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.button:hover {
  box-shadow: var(--shadow-sm);
}

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

.button--primary:hover {
  background: var(--teal-hover);
}

.button--secondary {
  background: var(--panel);
  color: var(--ink);
  border-color: var(--line-strong);
}

.button--secondary:hover {
  background: var(--bg);
  border-color: var(--teal);
  color: var(--teal);
}

.button--active {
  background: var(--teal-soft);
  border-color: var(--teal);
  color: var(--teal-deep);
}

.button--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.metric-grid article,
.cluster-card,
.result-card,
.buyer-card,
.stack-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.metric-grid article {
  padding: 1rem;
}

.metric-grid strong {
  display: block;
  margin-top: 0.4rem;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-family: var(--sans);
  font-weight: 800;
  color: var(--ink);
}

.metric-grid--single {
  grid-template-columns: 1fr;
}

.panel-note,
.footer-copy,
.buyer-card__stats,
.card-meta,
.empty-state p,
.stack-card p {
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.section-heading,
.page-intro {
  margin-bottom: 1.4rem;
  align-items: end;
}

.section-heading h2,
.detail-section h2,
.sidebar-card h2,
.sidebar-card h3,
.stack-card h3,
.buyer-card h2,
.result-card h2,
.result-card h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.cluster-grid,
.card-list,
.buyer-grid,
.faq-grid {
  display: grid;
  gap: 1rem;
}

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

.cluster-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  text-decoration: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.cluster-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
}

.cluster-card__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 600;
}

.card-list,
.buyer-grid,
.faq-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.result-card,
.buyer-card,
.stack-card {
  padding: 1.2rem;
}

.result-card__header,
.buyer-card__header,
.stack-card__header {
  align-items: flex-start;
}

.result-card h2,
.result-card h3,
.buyer-card h2,
.stack-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.result-card h2 a,
.result-card h3 a,
.buyer-card h2 a {
  text-decoration: none;
}

.result-card h2 a:hover,
.result-card h3 a:hover,
.buyer-card h2 a:hover,
.stack-links a:hover,
.text-link:hover {
  text-decoration: underline;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 0.7rem;
}

.badge,
.deadline-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.badge {
  background: var(--teal-soft);
  color: var(--teal-deep);
}

.badge--soft,
.deadline-chip {
  background: var(--clr-warning-soft);
  color: #92400e;
}

.badge--success {
  background: var(--clr-success-soft);
  color: #065f46;
}

.badge--danger {
  background: var(--clr-danger-soft);
  color: #991b1b;
}

.deadline-stack {
  min-width: 116px;
  text-align: right;
}

.deadline-stack strong,
.summary-panel span,
.detail-grid strong {
  display: block;
}

.result-card__footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.page-intro,
.summary-panel {
  align-items: stretch;
}

.summary-panel {
  min-width: 200px;
  justify-content: center;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--panel-strong);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.2rem;
  margin-bottom: 1.4rem;
}

.filter-grid--buyers {
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 0.8fr);
}

.filter-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.filter-grid input,
.filter-grid select {
  min-height: 40px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: #fff;
  font: inherit;
  font-size: 0.875rem;
  color: var(--ink);
}

.filter-grid input:focus,
.filter-grid select:focus {
  outline: 2px solid var(--teal-soft);
  border-color: var(--teal);
}

.filter-actions {
  display: flex;
  align-items: end;
  gap: 0.75rem;
}

.detail-layout {
  align-items: start;
}

.detail-main,
.detail-sidebar {
  display: grid;
  gap: 1.1rem;
}

.detail-main {
  background: var(--panel-strong);
}

.detail-sidebar {
  gap: 1rem;
}

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

.detail-grid div {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg);
}

.detail-grid strong {
  margin-top: 0.55rem;
  font-size: 1.08rem;
}

.detail-section {
  padding-top: 0.5rem;
}

.detail-section p {
  line-height: 1.8;
  color: var(--muted);
}

.stack-list {
  display: grid;
  gap: 0.85rem;
}

.inline-list,
.stack-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.inline-list li {
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--teal-soft);
  color: var(--teal-deep);
  font-size: 0.8rem;
}

.stack-links li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.stack-links li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.sidebar-card--cta {
  background: linear-gradient(135deg, var(--teal-soft), var(--bg));
}

.pagination {
  margin-top: 1.6rem;
  justify-content: space-between;
}

.pagination__spacer {
  display: inline-block;
  min-width: 152px;
}

.site-footer {
  padding: 2rem 0 2rem;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(180px, 0.7fr);
  align-items: start;
  gap: 2rem;
}

.footer-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
}

.site-footer__brand {
  max-width: 42ch;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--teal-deep);
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-meta {
  display: grid;
  gap: 0.55rem;
}

.footer-note {
  margin: 0;
  line-height: 1.6;
}

.footer-note--muted {
  color: var(--muted);
}

.empty-state {
  background: var(--panel);
}

.page-home .site-main {
  padding-top: 1rem;
}

.page-listing .site-main,
.page-detail .site-main {
  padding-top: 1rem;
}

.page-home .hero {
  padding-top: 1.4rem;
}

.page-home .hero__copy {
  position: relative;
  overflow: hidden;
  color: #f0f4f8;
  background: linear-gradient(145deg, #0a3d40 0%, #0d7377 60%, #10918a 100%);
  border-color: rgba(255, 255, 255, 0.1);
}

.page-home .hero__copy::after {
  content: "";
  position: absolute;
  inset: auto -10% -15% 45%;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 60%);
  pointer-events: none;
}

.page-home .hero__copy .eyebrow,
.page-home .hero__copy .metric-label {
  color: #94d8d8;
}

.page-home .hero__copy .lede {
  color: rgba(240, 244, 248, 0.8);
}

.hero__trust {
  display: grid;
  gap: 0.75rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.hero__trust li {
  position: relative;
  padding-left: 1.15rem;
  color: rgba(239, 246, 251, 0.88);
  line-height: 1.6;
}

.hero__trust li::before {
  content: "";
  position: absolute;
  top: 0.62rem;
  left: 0;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: var(--radius-pill);
  background: #5eead4;
}

.hero__panel--signal {
  display: grid;
  gap: 1rem;
  background: var(--panel);
}

.hero-panel__header,
.cta-banner,
.cta-banner__actions,
.signal-card__meta,
.workflow-grid,
.proof-grid,
.region-strip {
  display: flex;
  gap: 1rem;
}

.hero-panel__header {
  align-items: start;
  justify-content: space-between;
}

.hero-panel__header h2 {
  margin: 0.4rem 0 0;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.signal-list {
  display: grid;
  gap: 0.85rem;
}

.signal-card {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg);
  transition: border-color 150ms ease;
}

.signal-card:hover {
  border-color: var(--teal);
}

.signal-card h3 {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.signal-card h3 a {
  text-decoration: none;
}

.signal-card h3 a:hover {
  text-decoration: underline;
}

.signal-card p,
.proof-card p,
.workflow-card p {
  margin: 0.7rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.signal-card__meta {
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.signal-card__date {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.page-intro--signal {
  align-items: stretch;
  gap: 1.4rem;
}

.summary-panel--signal {
  min-width: 240px;
  background: var(--bg);
}

.listing-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 1.4rem;
  align-items: start;
}

.listing-main,
.listing-rail,
.aside-stack {
  display: grid;
  gap: 1.2rem;
}

.filter-shell,
.insight-card,
.detail-hero {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.filter-shell,
.insight-card {
  background: var(--panel);
}

.filter-shell {
  padding: 1.25rem;
}

.filter-shell__header,
.detail-section__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.filter-shell__header h2,
.detail-section__header h2 {
  margin: 0.35rem 0 0;
  letter-spacing: -0.03em;
}

.filter-shell__meta {
  max-width: 30ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.filter-grid--listing {
  margin-bottom: 0;
}

.active-filter-row {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.active-filter-row__label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.active-filter-list,
.result-card__facts,
.insight-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.active-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.active-filter-list li {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--teal-soft);
  color: var(--teal-deep);
  font-weight: 600;
  font-size: 0.8rem;
}

.insight-card {
  padding: 1.25rem;
}

.insight-card h2,
.insight-card h3 {
  margin: 0.35rem 0 0;
  letter-spacing: -0.03em;
}

.insight-card--muted {
  background: var(--bg);
}

.insight-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 0.9rem;
}

.insight-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted);
  line-height: 1.65;
}

.insight-list li::before {
  content: "";
  position: absolute;
  top: 0.68rem;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: var(--rust);
}

.result-card--listing,
.buyer-card--listing {
  background: var(--panel);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.result-card--listing:hover,
.buyer-card--listing:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
}

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

.result-card__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.result-card__facts li {
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.8rem;
}

.detail-hero {
  padding: clamp(1.2rem, 2.5vw, 1.8rem);
  background: var(--panel);
}

.detail-hero .cta-row {
  margin-top: 1.5rem;
}

.detail-grid--snapshot {
  margin-top: 1.5rem;
}

.detail-grid--snapshot div {
  background: var(--bg);
}

.stack-card--timeline {
  position: relative;
  overflow: hidden;
  background: var(--panel);
}

.stack-card--timeline::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--teal), var(--clr-warning));
}

.aside-stack .sidebar-card {
  box-shadow: none;
}

.sidebar-card--soft {
  background: var(--bg);
}

.page-app .site-main,
.page-auth .site-main {
  padding-top: 1rem;
}

.app-shell,
.auth-shell {
  display: grid;
  gap: 1.3rem;
}

.app-shell--form {
  gap: 1.1rem;
}

.app-page-intro {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 1.2rem;
}

.app-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.app-toolbar__note {
  margin: 0;
  max-width: 40ch;
  color: var(--muted);
  line-height: 1.6;
}

.app-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.page-app-alert-history .app-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
}

.app-card,
.app-form-card,
.auth-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.app-card,
.app-form-card,
.auth-panel {
  padding: clamp(1.2rem, 2.5vw, 1.8rem);
}

.app-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.app-card h2,
.auth-panel h1,
.auth-panel h2 {
  margin: 0.35rem 0 0;
  letter-spacing: -0.03em;
}

.page-app-alert-history .app-card h2 {
  font-size: clamp(1.5rem, 2vw, 1.95rem);
  line-height: 1.05;
}

.card-eyebrow,
.section-kicker {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.app-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.app-stat-grid div {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg);
}

.app-stat-grid span {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.app-stat-grid strong {
  display: block;
  font-size: 1rem;
  line-height: 1.45;
}

.app-inline-stats {
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.app-card__actions,
.app-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.2rem;
}

.app-link-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--teal-deep);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
}

.app-link-button:hover {
  color: var(--teal);
}

.app-form-card--compact {
  padding: 1.1rem 1.2rem;
}

.app-form-card--auth {
  margin-top: 1rem;
  background: var(--bg);
}

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

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

.app-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.app-form-field--full {
  grid-column: 1 / -1;
}

.app-form-field label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--teal-deep);
}

.app-form-field input,
.app-form-field select,
.app-form-field textarea,
.app-form-card input,
.app-form-card select,
.app-form-card textarea,
.auth-panel input,
.auth-panel select,
.auth-panel textarea {
  min-height: 40px;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 0.875rem;
}

.app-form-field input:focus,
.app-form-field select:focus,
.app-form-field textarea:focus,
.app-form-card input:focus,
.app-form-card select:focus,
.app-form-card textarea:focus,
.auth-panel input:focus,
.auth-panel select:focus,
.auth-panel textarea:focus {
  outline: 2px solid var(--teal-soft);
  border-color: var(--teal);
}

.app-form-card ul.errorlist,
.auth-panel ul.errorlist {
  margin: 0;
  padding-left: 1rem;
  color: #a33d20;
}

.app-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  color: var(--teal-deep);
}

.app-checkbox input {
  width: auto;
  min-height: 0;
  margin: 0;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.42rem 0.76rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.app-badge--pending {
  background: #efe4bf;
  color: #765f16;
}

.app-badge--sent {
  background: #d6ecdd;
  color: #295b38;
}

.app-badge--failed {
  background: #f4d6d6;
  color: #8d2a2a;
}

.app-badge--muted {
  background: rgba(19, 36, 52, 0.1);
  color: var(--muted);
}

.app-error-note {
  margin: 1rem 0 0;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: rgba(201, 74, 40, 0.1);
  color: #8d2a2a;
}

.auth-shell {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  align-items: start;
}

.auth-shell--narrow {
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
}

.auth-panel--primary {
  background: var(--panel);
}

.auth-panel--secondary {
  background: var(--bg);
}

.empty-state--app {
  padding: 1.5rem;
}

.proof-grid,
.workflow-grid {
  align-items: stretch;
}

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

.proof-card,
.workflow-card,
.cta-banner {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.proof-card,
.workflow-card {
  padding: 1.25rem;
  background: var(--panel);
}

.proof-card h3,
.workflow-card h3 {
  margin: 0.65rem 0 0;
  font-size: 1.22rem;
  letter-spacing: -0.03em;
}

.proof-card__index,
.workflow-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
}

.proof-card__index {
  background: var(--teal-soft);
  color: var(--teal-deep);
  font-size: 0.8rem;
}

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

.workflow-step {
  background: var(--clr-warning-soft);
  color: #92400e;
  font-size: 0.8rem;
}

.region-strip {
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

.region-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-decoration: none;
  transition: border-color 150ms ease;
}

.region-pill:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.cta-banner {
  align-items: center;
  justify-content: space-between;
  padding: clamp(1.2rem, 2.5vw, 1.8rem);
  background: linear-gradient(135deg, var(--teal-soft), var(--bg));
}

.cta-banner h2 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.cta-banner__actions {
  flex-direction: column;
  min-width: 240px;
}

@media (max-width: 1100px) {
  .cluster-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .proof-grid,
  .workflow-grid,
  .listing-layout,
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 860px) {
  .hero__grid,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .site-header__inner,
  .site-footer__inner,
  .page-intro,
  .section-heading,
  .app-page-intro,
  .app-toolbar,
  .result-card__header,
  .app-card__header,
  .buyer-card__header,
  .stack-card__header,
  .pagination,
  .hero-panel__header,
  .cta-banner,
  .filter-shell__header,
  .detail-section__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .summary-panel,
  .deadline-stack {
    min-width: 0;
    text-align: left;
  }

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

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }

  /* Mobile nav: collapsible */
  .site-header__inner {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--line);
    margin-top: 0.5rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a,
  .site-nav__button {
    justify-content: flex-start;
    text-align: left;
    padding: 0.65rem 0.75rem;
  }
}

@media (max-width: 640px) {
  .cluster-grid,
  .card-list,
  .buyer-grid,
  .faq-grid,
  .filter-grid,
  .filter-grid--buyers,
  .metric-grid,
  .footer-links,
  .app-stat-grid,
  .app-form-grid,
  .app-form-grid--compact {
    grid-template-columns: 1fr;
  }

  .result-card__facts,
  .active-filter-list,
  .app-card__actions,
  .app-form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-main {
    padding-top: 0.75rem;
  }

  .brand__tag {
    display: none;
  }

  .cta-row,
  .filter-actions,
  .cta-banner__actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .filter-actions .button {
    width: 100%;
  }
}

/* --- Filter fieldset (OP-04 checkboxes) --- */
.filter-fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  margin: 0;
  background: var(--bg);
}

.filter-fieldset legend {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  padding: 0 0.35rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0;
  font-size: 0.85rem;
  color: var(--ink);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--teal);
  flex-shrink: 0;
}

/* --- Collapsible filter toggle for mobile --- */
.filter-toggle-btn {
  display: none;
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  font: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

@media (max-width: 860px) {
  .filter-toggle-btn {
    display: block;
    margin-bottom: 0.75rem;
  }

  .filter-grid--listing {
    display: none;
  }

  .filter-grid--listing.is-open {
    display: grid;
  }
}

/* --- Flash messages --- */
.flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.flash-success { background: var(--clr-success-soft); color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: var(--clr-danger-soft); color: #991b1b; border: 1px solid #fecaca; }
.flash-warning { background: var(--clr-warning-soft); color: #92400e; border: 1px solid #fde68a; }
.flash-info { background: var(--teal-soft); color: var(--teal-deep); border: 1px solid #99e1e1; }

/* --- Footer refinements --- */
.site-footer {
  margin-top: 2rem;
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.footer-legal a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-legal a:hover {
  color: var(--teal);
}

/* --- Text link --- */
.text-link {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.875rem;
}

.text-link:hover {
  text-decoration: underline;
}

/* --- Insight list bullet --- */
.insight-list li::before {
  background: var(--teal);
}