/* Psintonia website — tokens and rules from design.md (Vermiglio).
   Flat: no gradients, no shadows, no rounded corners. Red is the logo only. */

:root {
  color-scheme: light dark;

  --surface: #FDF5F2;
  --surface-container: #F0EAE9;
  --on-surface: #111B33;
  --on-surface-variant: #4F596D;
  --outline-variant: #D5D2D6;
  --primary: #111B33;
  --accent: #FFDD80;
  --on-accent: #111B33;

  --font-head: "Epilogue", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
}

/* Dark: follows the system unless the visitor forced light, or forced dark. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface: #111B33;
    --surface-container: #1A2540;
    --on-surface: #FDF5F2;
    --on-surface-variant: #A9B2C6;
    --outline-variant: #2F3B5A;
    --primary: #FFDD80;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface: #111B33;
  --surface-container: #1A2540;
  --on-surface: #FDF5F2;
  --on-surface-variant: #A9B2C6;
  --outline-variant: #2F3B5A;
  --primary: #FFDD80;
}

:root[data-theme="light"] { color-scheme: light; }

/* Logo colourway and theme icon swap with the theme. */
.on-dark { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .on-light { display: none; }
  :root:not([data-theme="light"]) .on-dark { display: block; }
}

:root[data-theme="dark"] .on-light { display: none; }
:root[data-theme="dark"] .on-dark { display: block; }

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

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

a { color: inherit; text-underline-offset: 3px; }
a:hover { color: var(--on-surface-variant); }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.wrap {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-16);
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding: var(--space-16);
}

@media (min-width: 768px) {
  .topbar { padding: var(--space-24) var(--space-32); }
}

.topbar-home img { width: 160px; }

.controls {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  margin-left: auto;
}

.lang {
  display: flex;
  gap: var(--space-12);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.lang a { color: var(--on-surface-variant); text-decoration: none; }
.lang a:hover { color: var(--on-surface); }
.lang a[aria-current] {
  color: var(--on-surface);
  text-decoration: underline;
  text-decoration-color: var(--primary);
  text-decoration-thickness: 2px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--outline-variant);
  border-radius: 0;
  background: transparent;
  color: var(--on-surface);
  cursor: pointer;
}

.theme-toggle:hover { background: var(--surface-container); }
.theme-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.theme-toggle svg { width: 18px; height: 18px; }

/* ---------- Landing ---------- */

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-32);
  padding: var(--space-48) var(--space-16) var(--space-64);
  text-align: center;
}

.hero-logo { width: 240px; }

.hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 18em;
  text-wrap: balance;
}

.hero .lead {
  margin: calc(-1 * var(--space-16)) 0 0;
  max-width: 34em;
  color: var(--on-surface-variant);
  font-size: 18px;
}

.badge {
  display: inline-block;
  padding: var(--space-8) var(--space-16);
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Legal pages ---------- */

.site-header { border-bottom: 1px solid var(--outline-variant); }

.legal {
  flex: 1;
  padding-top: var(--space-48);
  padding-bottom: var(--space-64);
}

.legal h1 {
  margin: 0 0 var(--space-8);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.legal h2 {
  margin: var(--space-32) 0 var(--space-8);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
}

.legal .meta {
  margin: 0 0 var(--space-32);
  color: var(--on-surface-variant);
  font-family: var(--font-mono);
  font-size: 13px;
}

.legal .notice {
  padding: var(--space-16) var(--space-24);
  border: 1px solid var(--outline-variant);
  border-left: 4px solid var(--accent);
  background: var(--surface-container);
}

.legal p { margin: 0 0 var(--space-16); }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--outline-variant);
  padding: var(--space-24) 0;
  color: var(--on-surface-variant);
  font-family: var(--font-mono);
  font-size: 13px;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-12) var(--space-24);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-24);
}