/* StockFinder AI — Marketing site (matches app industrial/risograph theme) */

:root {
  --lime: #ccff00;
  --lime-dim: #abd600;
  --ink: #18181b;
  --paper: #f9fafb;
  --surface: #0a0a0b;
  --surface-raised: #141416;
  --surface-card: #101012;
  --border: #2a2a2e;
  --border-strong: #3f3f46;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --purple: #9c48ea;
  --purple-dim: #8127cf;
  --error: #f87171;
  --max-w: 72rem;
  --font-display: 'Cabinet Grotesk', system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1rem;
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 0.25rem;
  border: 2px solid var(--ink);
}

.skip-link:focus {
  top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

/* Typography */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}

.lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 42rem;
  line-height: 1.7;
}

.body-sm {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.highlight-lime {
  color: var(--lime);
}

.highlight-strike {
  text-decoration: line-through;
  text-decoration-color: var(--error);
  text-decoration-thickness: 2px;
  opacity: 0.7;
}

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--border);
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(12px);
}

.site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.brand-mark {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-mark--footer {
  width: 2.25rem;
  height: 2.25rem;
}

.brand-wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
  white-space: nowrap;
}

.brand-wordmark--footer {
  font-size: 1rem;
}

.brand-accent {
  color: var(--lime);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.15s;
}

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

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }
}

.nav-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: 0.25rem;
  border: 2px solid var(--ink);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.btn-secondary {
  background: var(--surface-raised);
  color: var(--text);
  border-color: var(--border-strong);
  box-shadow: 2px 2px 0 var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
  box-shadow: none;
  padding-inline: 0.5rem;
}

.btn-ghost:hover {
  color: var(--text);
}

/* Hero */
.hero {
  padding-block: 4rem 6rem;
  border-bottom: 2px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 55%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(204, 255, 0, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-copy .eyebrow {
  margin-bottom: 1.25rem;
}

.hero-copy h1 {
  margin-bottom: 1.5rem;
}

.hero-copy .lead {
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.oss-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 2rem;
}

.oss-strip-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border: 2px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface-raised);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lime);
  transition:
    border-color 0.15s,
    background 0.15s;
}

.oss-strip-badge:hover {
  border-color: var(--lime);
  background: rgba(204, 255, 0, 0.06);
}

.oss-strip-badge .material-symbols-outlined {
  font-size: 0.9375rem;
}

.oss-strip-item {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
}

.oss-strip-item::before {
  content: '·';
  margin-right: 0.75rem;
  color: var(--border-strong);
}

.oss-strip-badge + .oss-strip-item::before {
  display: none;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.proof-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--lime);
  letter-spacing: -0.03em;
}

.proof-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 600;
}

/* Hero visual mock */
.hero-visual {
  position: relative;
}

.mock-window {
  border: 2px solid var(--border-strong);
  border-radius: 0.5rem;
  background: #000;
  box-shadow:
    8px 8px 0 var(--lime),
    8px 8px 0 2px var(--ink);
  overflow: hidden;
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-bottom: 2px solid var(--border);
  background: var(--surface-raised);
}

.mock-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--border-strong);
}

.mock-dot:nth-child(1) {
  background: #ef4444;
}
.mock-dot:nth-child(2) {
  background: #eab308;
}
.mock-dot:nth-child(3) {
  background: #22c55e;
}

.mock-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-dim);
}

.mock-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.mock-beat {
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  padding: 0.75rem;
  background: var(--surface-card);
}

.mock-beat-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.375rem;
}

.mock-beat-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.625rem;
  line-height: 1.4;
}

.mock-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.375rem;
}

.mock-thumb {
  aspect-ratio: 16/9;
  border-radius: 0.125rem;
  background: var(--border);
  border: 1px solid var(--border-strong);
  position: relative;
  overflow: hidden;
}

.mock-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.mock-thumb-badge {
  position: absolute;
  bottom: 0.125rem;
  right: 0.125rem;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  background: rgba(0, 0, 0, 0.75);
  padding: 0.125rem 0.25rem;
  border-radius: 0.125rem;
  color: var(--lime);
}

.mock-progress {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.mock-progress-bar {
  height: 100%;
  width: 68%;
  background: linear-gradient(90deg, var(--lime-dim), var(--lime));
  animation: progress-pulse 2.5s ease-in-out infinite;
}

@keyframes progress-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* Marquee strip */
.marquee-section {
  border-bottom: 2px solid var(--border);
  background: var(--surface-raised);
  overflow: hidden;
  padding-block: 1rem;
}

.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 40s linear infinite;
  width: max-content;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.marquee-item .material-symbols-outlined {
  font-size: 1rem;
  color: var(--error);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* Definition block (AI-extractable) */
.definition-section {
  padding-block: 3rem;
}

.definition-block {
  max-width: 48rem;
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  padding: 2rem;
  background: var(--surface-card);
}

.definition-block h2 {
  margin-bottom: 1rem;
}

.definition-block > p:first-of-type {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.definition-meta a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.definition-meta a:hover {
  color: var(--text);
}

/* Comparison table */
.compare-table-wrap {
  margin-top: 3rem;
  overflow-x: auto;
}

.compare-table-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  overflow: hidden;
}

.compare-table th,
.compare-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.compare-table thead th {
  background: var(--surface-raised);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.compare-table tbody th {
  font-weight: 600;
  color: var(--text);
  background: var(--surface-card);
  white-space: nowrap;
}

.compare-table tbody td {
  color: var(--text-muted);
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody td:last-child {
  color: var(--lime);
}

/* Guide cards (query fan-out) */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.guide-card {
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  padding: 1.5rem;
  background: var(--surface-card);
}

.guide-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  margin-bottom: 0.625rem;
  letter-spacing: -0.02em;
}

.guide-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Section spacing */
.section {
  padding-block: 5rem;
  border-bottom: 2px solid var(--border);
}

.section-header {
  margin-bottom: 3.5rem;
  max-width: 40rem;
}

.section-header.centered {
  margin-inline: auto;
  text-align: center;
}

.section-header.centered .lead {
  margin-inline: auto;
}

.section-header .eyebrow {
  margin-bottom: 1rem;
  display: block;
}

.section-header h2 {
  margin-bottom: 1rem;
}

/* Pain cards */
.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pain-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pain-card {
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  padding: 1.5rem;
  background: var(--surface-card);
  transition: border-color 0.2s, transform 0.2s;
}

.pain-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.pain-card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.25rem;
  border: 2px solid var(--border-strong);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: var(--surface-raised);
}

.pain-card-icon .material-symbols-outlined {
  font-size: 1.25rem;
  color: var(--error);
}

.pain-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.pain-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pain-quote {
  margin-top: 3rem;
  padding: 2rem;
  border: 2px solid var(--lime);
  border-radius: 0.25rem;
  background: rgba(204, 255, 0, 0.04);
  box-shadow: 4px 4px 0 rgba(204, 255, 0, 0.15);
}

.pain-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.pain-quote cite {
  font-size: 0.8125rem;
  color: var(--text-dim);
  font-style: normal;
  font-weight: 600;
}

/* Timeline comparison */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.compare-col {
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  overflow: hidden;
}

.compare-col.bad {
  border-color: rgba(248, 113, 113, 0.3);
}

.compare-col.good {
  border-color: rgba(204, 255, 0, 0.35);
  box-shadow: 4px 4px 0 rgba(204, 255, 0, 0.1);
}

.compare-header {
  padding: 1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9375rem;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.compare-col.bad .compare-header {
  background: rgba(248, 113, 113, 0.08);
  color: var(--error);
}

.compare-col.good .compare-header {
  background: rgba(204, 255, 0, 0.08);
  color: var(--lime);
}

.compare-steps {
  list-style: none;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.compare-step {
  display: flex;
  gap: 1rem;
  padding-block: 1rem;
  border-bottom: 1px dashed var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.compare-step:last-child {
  border-bottom: none;
}

.step-time {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-dim);
  min-width: 3.5rem;
  padding-top: 0.125rem;
}

.compare-col.good .step-time {
  color: var(--lime);
}

.compare-total {
  padding: 1rem 1.25rem;
  border-top: 2px solid var(--border);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  display: flex;
  justify-content: space-between;
}

.compare-col.bad .compare-total span:last-child {
  color: var(--error);
}

.compare-col.good .compare-total span:last-child {
  color: var(--lime);
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  position: relative;
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  padding: 1.5rem;
  background: var(--surface-card);
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--border-strong);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.05em;
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Bento features */
.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .bento {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: minmax(140px, auto);
  }

  .bento-item.span-6 {
    grid-column: span 6;
  }
  .bento-item.span-4 {
    grid-column: span 4;
  }
  .bento-item.span-3 {
    grid-column: span 3;
  }
  .bento-item.span-2 {
    grid-column: span 2;
  }
}

.bento-item {
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  padding: 1.5rem;
  background: var(--surface-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s;
}

.bento-item:hover {
  border-color: var(--border-strong);
}

.bento-item.featured {
  border-color: var(--purple);
  background: linear-gradient(135deg, rgba(156, 72, 234, 0.08) 0%, var(--surface-card) 60%);
}

.bento-icon {
  font-size: 1.5rem;
  color: var(--lime);
  margin-bottom: 1rem;
}

.bento-item.featured .bento-icon {
  color: var(--purple);
}

.oss-bento-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .oss-bento-inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
  }

  .oss-bento-copy {
    flex: 1;
    min-width: 0;
  }

  .oss-bento-cta {
    flex-shrink: 0;
    margin-top: 0;
  }
}

.bento-item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 0.375rem;
}

.bento-item p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Personas */
.persona-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .persona-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.persona-card {
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  padding: 1.75rem;
  background: var(--surface-raised);
}

.persona-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--purple);
  margin-bottom: 0.75rem;
}

.persona-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.persona-pain {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  font-style: italic;
}

.persona-outcome {
  font-size: 0.8125rem;
  color: var(--text);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.persona-outcome .material-symbols-outlined {
  font-size: 1rem;
  color: var(--lime);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* FAQ */
.faq-list {
  max-width: 48rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  background: var(--surface-card);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--lime);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* CTA band */
.cta-band {
  padding-block: 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--border);
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(204, 255, 0, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

.cta-band .container {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  margin-bottom: 1rem;
}

.cta-band .lead {
  margin-inline: auto;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.cta-note {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Footer */
.site-footer {
  padding-block: 3rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
  max-width: 22rem;
  line-height: 1.6;
}

.footer-oss-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--lime);
  transition: opacity 0.15s;
}

.footer-oss-link:hover {
  opacity: 0.8;
}

.footer-oss-link .material-symbols-outlined {
  font-size: 1rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--lime);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-box {
  border: 2px solid var(--border);
  border-radius: 0.25rem;
  padding: 1.25rem;
  text-align: center;
  background: var(--surface-raised);
}

.stat-box .proof-value {
  font-size: 2rem;
}

.stat-box .proof-label {
  margin-top: 0.25rem;
}

/* Dark section alt */
.section-alt {
  background: var(--surface-raised);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}