:root {
  color-scheme: light dark;
  --bg: #f3f7fb;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.98);
  --surface-accent: rgba(37, 99, 235, 0.08);
  --fg: #102033;
  --muted: #506174;
  --accent: #2457d6;
  --accent-strong: #15358f;
  --border: rgba(16, 32, 51, 0.12);
  --shadow: 0 24px 60px rgba(16, 32, 51, 0.12);
  --radius-lg: 1.75rem;
  --radius-md: 1.125rem;
  --brand-logo-height: 3.25rem;
  --footer-logo-height: 2.25rem;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09111d;
    --surface: rgba(11, 21, 36, 0.9);
    --surface-strong: rgba(10, 18, 31, 0.98);
    --surface-accent: rgba(96, 165, 250, 0.12);
    --fg: #eef4ff;
    --muted: #b1bfce;
    --accent: #8ab4ff;
    --accent-strong: #bdd4ff;
    --border: rgba(177, 191, 206, 0.2);
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html {
  scrollbar-gutter: stable;
}

@supports not (scrollbar-gutter: stable) {
  html {
    overflow-y: scroll;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.2), transparent 28rem),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.16), transparent 26rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(243, 247, 251, 0.98));
  color: var(--fg);
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  body {
    background:
      radial-gradient(circle at top left, rgba(59, 130, 246, 0.2), transparent 28rem),
      radial-gradient(circle at top right, rgba(14, 165, 233, 0.16), transparent 24rem),
      linear-gradient(180deg, rgba(6, 10, 19, 0.98), rgba(9, 17, 29, 1));
  }
}

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

.site-shell {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3.5rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.site-header-menu {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  min-width: 0;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--fg);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}

.nav-toggle-bars {
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before { top: -0.4rem; }
.nav-toggle-bars::after { top: 0.4rem; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.brand {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  text-decoration: none;
  color: var(--fg);
}

.brand-logo {
  display: block;
  height: var(--brand-logo-height);
  width: auto;
  aspect-ratio: 980 / 160;
}
.brand-logo--dark { display: none; }

.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;
}

@media (prefers-color-scheme: dark) {
  .brand-logo--light { display: none; }
  .brand-logo--dark { display: block; }
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem 1.25rem;
  min-width: 0;
}

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

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.lang-switch {
  display: flex;
  flex-shrink: 0;
  flex-wrap: nowrap;
  gap: 0.4rem;
  align-items: center;
  font-size: 0.875rem;
}

.lang-switch a,
.lang-switch span {
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}

.lang-switch a:hover {
  color: var(--accent);
}

.lang-switch a[aria-current="page"],
.lang-switch a[aria-current="true"] {
  background: var(--surface-accent);
  color: var(--fg);
  font-weight: 600;
}

.site-main.page-home,
.page-home {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.content-page {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

h1, h2, h3 {
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  margin-bottom: 0.9rem;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 1rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  background: var(--surface-accent);
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 600;
}

.section-heading {
  max-width: 38rem;
  margin-bottom: 1.5rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.24);
}

.button-primary:hover { color: #fff; }

.button-secondary {
  background: var(--surface-strong);
  border-color: var(--border);
  color: var(--fg);
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.hero-copy,
.hero-panel,
.proof-band,
.home-section,
.cta-panel {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-intro,
.section-intro,
.cta-panel p,
.signal-card p,
.step p,
.use-case p {
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(36, 87, 214, 0.12), transparent 55%),
    var(--surface-strong);
}

.signal-label {
  display: inline-flex;
  margin-bottom: 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.signal-card {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}

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

.signal-chip {
  padding: 0.95rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border);
  font-weight: 600;
}

.proof-grid,
.use-case-grid,
.step-grid {
  display: grid;
  gap: 1rem;
}

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

.proof-card,
.use-case,
.step {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-strong);
}

.proof-card { font-weight: 600; }

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

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--surface-accent);
  color: var(--accent-strong);
  font-weight: 700;
}

.cta-panel {
  margin-top: 1.5rem;
  text-align: center;
}

.site-footer {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.footer-brand {
  display: inline-flex;
  margin-bottom: 1rem;
  text-decoration: none;
}

.footer-logo {
  display: block;
  height: var(--footer-logo-height);
  width: auto;
  aspect-ratio: 980 / 160;
}

.footer-logo--dark { display: none; }

@media (prefers-color-scheme: dark) {
  .footer-logo--light { display: none; }
  .footer-logo--dark { display: block; }
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-bottom: 0.75rem;
}

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

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 48rem) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand toggle"
      "menu menu";
    align-items: center;
  }

  .brand { grid-area: brand; }

  .nav-toggle {
    display: inline-flex;
    grid-area: toggle;
  }

  .site-header-menu {
    grid-area: menu;
    display: none;
    flex: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    width: 100%;
    padding-top: 0.25rem;
  }

  .site-header-menu.is-open {
    display: flex;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .site-nav a,
  .lang-switch a,
  .lang-switch span {
    display: block;
    padding: 0.65rem 0.25rem;
    min-height: 2.75rem;
  }

  .lang-switch {
    justify-content: flex-start;
    padding-top: 0.25rem;
  }
}

@media (max-width: 56rem) {
  .site-shell { width: min(100% - 1rem, 72rem); }
  .home-hero,
  .proof-grid,
  .use-case-grid,
  .step-grid {
    grid-template-columns: 1fr;
  }
}

/* Koenig card widths (Ghost theme check) */
.kg-width-wide {
  position: relative;
  width: 85vw;
  min-width: 100%;
  margin-left: auto;
  margin-right: auto;
  transform: translateX(calc(50% - 50vw));
}

.kg-width-full {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.page-feature-image {
  margin: 0 0 1.5rem;
}

.page-feature-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-excerpt {
  color: var(--muted);
  font-size: 1.1rem;
  margin: -0.5rem 0 1.5rem;
}