/* ============================================================
   Galaad — layout.css
   Structure des pages : header, main, sections, footer.
   ============================================================ */

/* ---------- Container ---------- */

.container {
  max-width: var(--wide-max);
  margin: 0 auto;
  padding: 0 var(--space-40);
}

@media (max-width: 720px) {
  .container {
    padding: 0 var(--space-24);
  }
}

/* ---------- Header (nav top) ---------- */

.site-header {
  position: relative;
  padding: var(--space-40) 0 var(--space-24);
  border-bottom: 1px solid var(--galaad-rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-40);
  max-width: var(--wide-max);
  margin: 0 auto;
  padding: 0 var(--space-40);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-voice);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 10;
}

.site-logo__shield {
  width: 56px;
  height: auto;
  margin-top: -12px;
  margin-bottom: -20px;
  display: block;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.site-header {
  overflow: visible;
}

@media (max-width: 720px) {
  .site-logo__shield {
    width: 40px;
    margin-top: -8px;
    margin-bottom: -14px;
  }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-40);
}

.site-nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-40);
}

.site-nav__link {
  font-family: var(--font-structure);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--galaad-ink);
  padding: var(--space-8) 0;
  border-bottom: 1px solid transparent;
  transition: border-bottom-color 300ms ease-out;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  border-bottom-color: var(--galaad-ink);
}

.site-nav__secondary {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--galaad-ink-soft);
}

.site-nav__secondary a {
  transition: color 300ms ease-out;
}

.site-nav__secondary a:hover,
.site-nav__secondary a:focus-visible {
  color: var(--galaad-ink);
}

.site-nav__separator {
  opacity: 0.4;
}

/* ---------- Hamburger mobile (≤ 720px) ---------- */

.site-nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 10px;
  margin: -10px;
  cursor: pointer;
  color: var(--galaad-ink);
  position: relative;
  z-index: 30;
}

.site-nav-toggle__bars {
  display: block;
  width: 28px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 200ms ease;
}

.site-nav-toggle__bars::before,
.site-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 28px;
  height: 2px;
  background: currentColor;
  transition: transform 300ms ease, top 300ms ease;
}

.site-nav-toggle__bars::before { top: -8px; }
.site-nav-toggle__bars::after  { top:  8px; }

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

@media (max-width: 720px) {
  /* Prevent the off-canvas nav (translateX 100%) from adding horizontal scrollbar */
  html, body {
    overflow-x: hidden;
  }

  .site-nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100dvh; /* dynamic viewport: prend en compte la toolbar iOS */
    background: var(--galaad-cream);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: var(--space-24);
    padding: 104px var(--space-24) var(--space-40);
    transform: translateX(100%);
    transition: transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 20;
    visibility: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .site-nav.site-nav--open {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    gap: var(--space-24);
    align-items: center;
  }

  .site-nav__link {
    font-size: 22px;
    font-family: var(--font-voice);
    letter-spacing: -0.01em;
    padding: var(--space-12) 0;
  }

  .site-nav__secondary {
    margin-top: var(--space-32);
    font-size: 14px;
  }

  body.nav-open { overflow: hidden; }
}

/* ---------- Main ---------- */

main {
  display: block;
}

/* ---------- Section full-bleed ---------- */

.section {
  position: relative;
  padding: var(--space-160) 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.section__inner {
  max-width: var(--wide-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-80);
}

@media (max-width: 1024px) {
  .section {
    padding: var(--space-80) 0;
    min-height: auto;
  }
  .section__inner {
    padding: 0 var(--space-40);
  }
}

@media (max-width: 720px) {
  .section {
    padding: var(--space-80) 0;
  }
  .section__inner {
    padding: 0 var(--space-24);
  }
}

/* ---------- Inversion encre (section 03 uniquement) ---------- */

.section--ink {
  background-color: var(--galaad-ink);
  color: var(--galaad-cream);
}

.section--ink h1,
.section--ink h2,
.section--ink h3,
.section--ink p {
  color: var(--galaad-cream);
}

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

.site-footer {
  padding: var(--space-24) 0;
  border-top: 1px solid var(--galaad-rule-strong);
  background-color: var(--galaad-cream);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-16);
  max-width: var(--wide-max);
  margin: 0 auto;
  padding: 0 var(--space-40);
  font-family: var(--font-structure);
  font-size: 12px;
  color: var(--galaad-ink-soft);
}

.site-footer__legal {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.site-footer a {
  transition: color 300ms ease-out;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--galaad-ink);
}