/* Agentic Workspace — marketing landing page
   Dark, high-contrast, single accent (#58a6ff). Mobile-first. */

:root {
  --bg: #0d1117;
  --bg-raised: #131a22;
  --bg-card: #161c24;
  --border: #232b34;
  --text: #e6edf3;
  --text-muted: #8b98a5;
  --accent: #58a6ff;
  --accent-strong: #79b8ff;
  --accent-dim: rgba(88, 166, 255, 0.12);
  --good: #3fb950;
  --max-width: 1120px;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #0a0e14;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.btn-block {
  width: 100%;
}

.link-quiet {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
}

.link-quiet:hover {
  color: var(--accent-strong);
  border-color: currentColor;
}

/* Nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--text);
}

.nav-logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-logo-full {
  color: var(--text-muted);
  font-weight: 500;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

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

.nav-actions {
  display: none;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: var(--accent);
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  padding: 14px 0 20px;
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu ul {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu a {
  display: block;
  padding: 10px 4px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.mobile-menu .mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@media (min-width: 860px) {
  .nav-links {
    display: flex;
  }
  .nav-actions {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-menu {
    display: none !important;
  }
}

/* Hero */

.hero {
  padding: 64px 0 48px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: var(--accent-dim);
  border: 1px solid rgba(88, 166, 255, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 44px;
}

.hero-cta .btn-primary {
  padding: 14px 32px;
  font-size: 1rem;
}

@media (min-width: 560px) {
  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }
}

.trust-line {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 18px;
}

/* Social proof strip */

.proof-strip {
  padding: 28px 0 56px;
  border-bottom: 1px solid var(--border);
}

.proof-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 28px 40px;
}

.proof-logo {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 1rem;
  opacity: 0.55;
  letter-spacing: 0.02em;
  border: 1px dashed var(--border);
  padding: 8px 18px;
  border-radius: 8px;
}

/* Section shell */

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 48px;
}

.section-kicker {
  color: var(--accent-strong);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

/* Feature grid */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 760px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* How it works */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  counter-reset: step;
}

@media (min-width: 760px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  position: relative;
  padding-left: 56px;
}

.step-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent-strong);
  border: 1px solid rgba(88, 166, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Comparison table */

.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  font-size: 0.92rem;
}

.compare th,
.compare td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare th {
  background: var(--bg-card);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

.compare td:first-child {
  color: var(--text-muted);
}

.compare .yes {
  color: var(--good);
  font-weight: 600;
}

.compare .no {
  color: var(--text-muted);
}

.compare th.col-aw {
  color: var(--accent-strong);
}

/* Pricing */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 760px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
}

.price-card.is-featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.35), 0 20px 40px -20px rgba(88, 166, 255, 0.25);
}

.price-tier {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.price-tag {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--accent-dim);
  border-radius: 999px;
  padding: 3px 10px;
  display: inline-block;
  margin-bottom: 16px;
}

.price-amount {
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.price-amount span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.price-note {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 22px;
}

.price-features {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.price-features svg {
  color: var(--good);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Testimonials */

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 760px) {
  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-badge {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: 999px;
  padding: 3px 10px;
}

.testimonial-quote {
  margin: 0;
  font-size: 0.98rem;
  color: var(--text);
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.testimonial-author strong {
  color: var(--text);
}

/* FAQ */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 4px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-question .faq-icon {
  flex-shrink: 0;
  transition: transform 0.2s ease;
  color: var(--accent-strong);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
}

.faq-answer p {
  margin: 0 4px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 640px;
}

/* Footer CTA */

.footer-cta {
  text-align: center;
  padding: 72px 0;
}

.footer-cta h2 {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin: 0 0 16px;
}

.footer-cta p {
  color: var(--text-muted);
  margin: 0 0 30px;
}

.footer-cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

@media (min-width: 560px) {
  .footer-cta-actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 44px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1.4fr repeat(3, 1fr);
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 0 0 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

@media (min-width: 700px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}