/* Reset léger, typo globale, shell (header / footer / layout). */

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 70% -10%, var(--color-hero-glow), transparent 55%),
    radial-gradient(ellipse 60% 40% at 10% 100%, rgba(74, 58, 200, 0.18), transparent 50%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-brand-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--duration-fast) ease;
}

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

a:focus-visible,
button:focus-visible,
.lz-nav__toggle:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 650;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  margin: 0 0 var(--space-4);
}

h1 {
  font-size: var(--text-h1);
}

h2 {
  font-size: var(--text-h2);
}

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

/* Skip link */
.lz-skip {
  position: absolute;
  left: var(--space-4);
  top: -100%;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-brand);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
}

.lz-skip:focus {
  top: var(--space-4);
}

/* Shell layout */
.lz-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.lz-shell__main {
  flex: 1;
}

.lz-wrap {
  width: min(100% - 2 * var(--page-pad), var(--page-max));
  margin-inline: auto;
}

/* Header */
.lz-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid var(--color-border);
  background: rgba(11, 10, 20, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lz-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--space-4);
}

.lz-wordmark {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  color: var(--color-text);
  text-decoration: none;
}

.lz-wordmark:hover {
  color: var(--color-brand-soft);
}

.lz-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Sans JS : liens toujours visibles (filet sous le header). */
.lz-nav__list {
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: var(--space-4) var(--page-pad);
  gap: var(--space-1);
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.lz-nav__toggle {
  display: none;
}

/* Avec JS (mobile) : menu replie derriere le bouton. */
html.js .lz-nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}

html.js .lz-nav__list {
  display: none;
}

html.js .lz-nav.is-open .lz-nav__list {
  display: flex;
}

.lz-nav__link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-small);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) ease, background var(--duration-fast) ease;
}

.lz-nav__link:hover {
  color: var(--color-text);
  background: transparent;
}

.lz-nav__link--active,
.lz-nav__link[aria-current="page"] {
  color: var(--color-text);
  background: var(--color-surface);
}

.lz-nav__toggle-icon {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

@media (min-width: 768px) {
  .lz-nav__toggle,
  html.js .lz-nav__toggle {
    display: none;
  }

  .lz-nav__list,
  .lz-nav.is-open .lz-nav__list,
  html.js .lz-nav__list,
  html.js .lz-nav.is-open .lz-nav__list {
    display: flex;
    flex-direction: row;
    position: static;
    padding: 0;
    background: transparent;
    border: none;
  }
}

/* Footer */
.lz-footer {
  margin-top: var(--space-9);
  padding: var(--space-7) 0 var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.lz-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.lz-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lz-footer__nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-small);
  font-weight: 500;
}

.lz-footer__nav a:hover {
  color: var(--color-text);
}

.lz-footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

.lz-footer__soon {
  color: var(--color-brand-soft);
  font-weight: 500;
}