:root {
  --bg: #eef2fa;
  --surface: #ffffff;
  --surface-soft: #e6edf9;
  --text: #0f172a;
  --muted: #475569;
  --border: #cdd8ec;
  --accent: #1e3a8a;
  --accent-dark: #172554;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1000px 400px at 10% -10%, rgba(30, 58, 138, 0.25), transparent 60%),
    radial-gradient(1200px 500px at 95% 0%, rgba(23, 37, 84, 0.2), transparent 55%),
    var(--bg);
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.section {
  padding: 4.5rem 0;
}

.navbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(248, 250, 252, 0.82);
  border-bottom: 1px solid rgba(229, 231, 235, 0.7);
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  font-size: 1.25rem;
}

.brand img {
  width: 1.75rem;
  height: 1.75rem;
  object-fit: contain;
  border-radius: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 1.4rem;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.78rem 1.25rem;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  box-shadow: 0 6px 20px rgba(30, 58, 138, 0.38);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-dark), #1e3a8a);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: #fff;
}

.hero {
  padding: 5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.25rem;
  align-items: center;
}

.eyebrow {
  color: var(--accent-dark);
  margin: 0 0 0.8rem;
  font-weight: 600;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
  margin: 0;
}

.hero-subheadline {
  font-size: 1.08rem;
  color: var(--muted);
  margin: 1rem 0 1.5rem;
  max-width: 42rem;
}

.hero-ctas {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.mock-card,
.card,
.preview-panel,
.cta-box {
  border-radius: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.mock-card {
  overflow: hidden;
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1rem;
  background: linear-gradient(180deg, #fff, #f8fafc);
  border-bottom: 1px solid var(--border);
}

.mock-header p {
  margin: 0 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.dot {
  width: 0.56rem;
  height: 0.56rem;
  border-radius: 50%;
  background: #d1d5db;
}

.mock-content {
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.7rem;
  align-items: center;
}

.compose-ui {
  display: block;
  padding: 1rem;
}

.compose-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: #fff;
  color: #64748b;
  font-size: 0.82rem;
}

.compose-columns {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 0.75rem;
  align-items: stretch;
}

.compose-pane {
  border-radius: 0.9rem;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  padding: 0.9rem;
}

.compose-pane h3 {
  margin: 0 0 0.45rem;
}

.compose-pane p {
  margin: 0 0 0.5rem;
  color: #334155;
}

.compose-pane.improved {
  background: #eef4ff;
  border-color: #bfdbfe;
}

mark.bad,
mark.good {
  border-radius: 0.45rem;
  padding: 0.08rem 0.35rem;
}

mark.bad {
  background: #fff1f2;
  color: #be123c;
}

mark.good {
  background: #dcfce7;
  color: #166534;
}

.vali-callouts {
  display: grid;
  gap: 0.6rem;
}

.callout {
  border-radius: 0.8rem;
  border: 1px solid #fecdd3;
  background: #fff7f8;
  padding: 0.7rem;
}

.callout strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.86rem;
}

.callout p {
  margin: 0;
  font-size: 0.84rem;
  color: #7f1d1d;
}

.improved-layout {
  grid-template-columns: 1.35fr 0.65fr;
}

.score-card {
  min-height: 210px;
  border-radius: 1rem;
  border: 1px solid #93c5fd;
  background: linear-gradient(180deg, #dbeafe 0%, #bfdbfe 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.45rem;
}

.score-card img {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.score-number {
  width: 72px;
  height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.9rem;
  background: #1e3a8a;
  color: #fff;
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
}

.score-label {
  color: #172554;
  font-size: 0.85rem;
  font-weight: 600;
}

.mock-panel {
  border-radius: 1rem;
  background: var(--surface-soft);
  border: 1px solid #e2e8f0;
  padding: 0.9rem;
}

.mock-panel h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
}

.mock-panel p {
  margin: 0;
  color: #334155;
  font-size: 0.92rem;
}

.mock-panel.improved {
  background: #eef4ff;
  border-color: #bfdbfe;
}

.mock-arrow {
  color: #94a3b8;
}

.trust {
  padding: 1.8rem 0 0.8rem;
}

.trust-label {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

.logo-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.logo-row span {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: #6b7280;
  padding: 0.55rem 1rem;
  font-weight: 600;
}

.section-intro {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto 2rem;
}

h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  letter-spacing: -0.03em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.3rem;
}

.card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.06rem;
}

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

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

.step {
  background: #fff;
  border-radius: 1rem;
  border: 1px solid var(--border);
  padding: 1.25rem;
}

.step h3 {
  margin: 0.4rem 0 0;
  font-size: 1.05rem;
}

.step p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.step-index {
  width: 1.9rem;
  height: 1.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #bfdbfe;
  color: #172554;
  font-weight: 700;
}

.preview-panel {
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.preview-col {
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: #fff;
  padding: 1rem;
}

.preview-col h3 {
  margin: 0 0 0.6rem;
}

.preview-col p {
  margin: 0 0 0.55rem;
  color: #334155;
}

.preview-col.improved {
  background: #eef4ff;
  border-color: #bfdbfe;
}

.highlight {
  display: inline-block;
  font-size: 0.9rem;
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 0.5rem;
  padding: 0.25rem 0.5rem;
}

.highlight.good {
  background: #dcfce7;
  border-color: #bbf7d0;
  color: #166534;
}

.benefit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.benefit-list li {
  border-radius: 0.9rem;
  border: 1px solid var(--border);
  background: #fff;
  padding: 1rem;
}

.benefit-list h3 {
  margin: 0;
  font-size: 1rem;
}

.benefit-list p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-item {
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: #fff;
  padding: 1.1rem 1rem;
}

.faq-item h3 {
  margin: 0;
  font-size: 1rem;
}

.faq-item p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.cta {
  padding-top: 3rem;
}

.cta-box {
  padding: 2.2rem 1.4rem;
  text-align: center;
}

.cta-box h2 {
  margin: 0.1rem 0 0.8rem;
}

.cta-box p {
  margin: 0;
  color: var(--muted);
}

.cta-actions {
  margin-top: 1.2rem;
  justify-content: center;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1.2rem 0 1.8rem;
}

.footer-inner {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer p {
  margin: 0;
  color: #6b7280;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.fade-up {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 100ms;
}

.delay-2 {
  transition-delay: 200ms;
}

.delay-3 {
  transition-delay: 300ms;
}

@media (max-width: 980px) {
  .hero-grid,
  .feature-grid,
  .steps,
  .use-case-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-copy {
    grid-column: 1 / -1;
  }

  .mock-card {
    grid-column: 1 / -1;
  }
}

@media (max-width: 740px) {
  .nav-links {
    display: none;
  }

  .nav-inner {
    min-height: 4rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .mock-content,
  .feature-grid,
  .steps,
  .preview-panel,
  .benefit-list,
  .use-case-grid,
  .compose-columns,
  .improved-layout {
    grid-template-columns: 1fr;
  }

  .mock-arrow {
    transform: rotate(90deg);
    justify-self: center;
  }

  .nav-cta {
    padding-inline: 1rem;
  }

  .brand span {
    display: none;
  }
}