/* Pharnos — landing. Palette DA NEUTRE (oklch chroma 0), reprise des tokens de l'app. */
:root {
  --bg: oklch(1 0 0);
  --fg: oklch(0.145 0 0);
  --muted: oklch(0.97 0 0);
  --muted-fg: oklch(0.556 0 0);
  --card: oklch(1 0 0);
  --border: oklch(0.922 0 0);
  --primary: oklch(0.205 0 0);
  --primary-fg: oklch(0.985 0 0);
  --radius: 0.75rem;
  --maxw: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: oklch(0.145 0 0);
    --fg: oklch(0.985 0 0);
    --muted: oklch(0.205 0 0);
    --muted-fg: oklch(0.708 0 0);
    --card: oklch(0.205 0 0);
    --border: oklch(1 0 0 / 12%);
    --primary: oklch(0.922 0 0);
    --primary-fg: oklch(0.205 0 0);
  }
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}
p {
  margin: 0;
}
a {
  color: inherit;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
  border-radius: 4px;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: var(--primary-fg);
  padding: 0.5rem 0.75rem;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

/* Marque */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--primary);
  color: var(--primary-fg);
  font-weight: 800;
  font-size: 0.95rem;
}
.brand-name {
  font-size: 1.05rem;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.95rem;
  border-radius: 9px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.04s ease,
    opacity 0.15s ease,
    background 0.15s ease;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-fg);
}
.btn-primary:hover {
  opacity: 0.9;
}
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--muted);
}
.btn-lg {
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 2rem);
  max-width: var(--maxw);
  margin: 0 auto;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.site-nav > a:not(.btn) {
  text-decoration: none;
  color: var(--muted-fg);
  font-size: 0.92rem;
  padding: 0.4rem 0.5rem;
  border-radius: 7px;
}
.site-nav > a:not(.btn):hover {
  color: var(--fg);
}
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: transparent;
  color: var(--muted-fg);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}
.lang-toggle span {
  padding: 0.25rem 0.5rem;
}
.lang-toggle .lang-on {
  background: var(--primary);
  color: var(--primary-fg);
}
@media (max-width: 720px) {
  .site-nav > a:not(.btn),
  .btn-ghost {
    display: none;
  }
}

/* Layout sections */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 4vw, 2rem);
}
.section-muted {
  background: var(--muted);
  max-width: none;
}
.section-muted > * {
  max-width: var(--maxw);
  margin-inline: auto;
}
.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  text-align: center;
  margin-bottom: 0.5rem;
}
.section-sub {
  text-align: center;
  color: var(--muted-fg);
  margin-bottom: 2rem;
}

/* Hero */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted-fg);
  margin-bottom: 0.75rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 800;
}
.lede {
  margin-top: 1rem;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--muted-fg);
  max-width: 36ch;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.hero-note {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--muted-fg);
}

/* App frame */
.frame {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--card);
  box-shadow:
    0 1px 2px oklch(0 0 0 / 8%),
    0 24px 60px oklch(0 0 0 / 18%);
}
.frame-bar {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--muted);
}
.frame-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--muted-fg) 45%, transparent);
}
.frame img,
.frame .mock {
  width: 100%;
  height: auto;
  display: block;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.card p {
  color: var(--muted-fg);
  font-size: 0.95rem;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.pillar h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}
.pillar p {
  color: var(--muted-fg);
  font-size: 0.95rem;
}

/* Plans */
.plan {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.plan .price {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--fg);
}
.plan p:not(.price) {
  flex: 1;
}
.plan-featured {
  border-color: var(--fg);
  box-shadow: 0 0 0 1px var(--fg);
}

/* CTA final */
.cta-final {
  text-align: center;
}
.cta-final h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 2rem) 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-start;
}
.footer-tag {
  color: var(--muted-fg);
  font-size: 0.9rem;
}
.footer-links {
  display: flex;
  gap: 1rem;
}
.footer-links a {
  color: var(--muted-fg);
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: var(--fg);
}
.copy {
  color: var(--muted-fg);
  font-size: 0.8rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .btn {
    transition: none;
  }
}