/* =========================================================
   LUMIÈRE — structure.css
   Layout, spacing, and structural behaviour ONLY.
   All colors, typography styling, and decoration live in the
   theme files (theme-veil.css / theme-atelier.css).
   Sizing uses relative units exclusively (rem / em / % / vh).
   ========================================================= */

/* ---------- Reset & base box model ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 5.5rem; /* keep anchored sections clear of the sticky nav */
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* ---------- Skip link (visually handled in theme) ---------- */
.skip-link {
  position: absolute;
  inset-inline-start: -200%;
  top: 0;
}

.skip-link:focus {
  inset-inline-start: 0.5rem;
  top: 0.5rem;
  z-index: 100;
  padding: 0.75em 1.25em;
}

/* ---------- Sticky header & navigation (Flexbox: 1D bar) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
}

.site-header__inner {
  max-width: 70rem;
  margin-inline: auto;
  padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.5rem;
}

.site-nav a {
  display: inline-block;
  padding: 0.4em 0.2em;
}

/* On narrow viewports the nav wraps beneath the wordmark */
@media (max-width: 46em) {
  .site-header__inner {
    justify-content: center;
    text-align: center;
  }
}

/* ---------- Page shell (CSS Grid: 2D macro framing) ---------- */
.page {
  flex: 1;
  width: 100%;
  display: grid;
  grid-template-columns:
    [full-start] minmax(clamp(1rem, 4vw, 3rem), 1fr)
    [content-start] minmax(0, 68rem) [content-end]
    minmax(clamp(1rem, 4vw, 3rem), 1fr) [full-end];
}

.page > * {
  grid-column: content;
}

.page > .full-bleed {
  grid-column: full;
}

/* ---------- Sections ---------- */
.section {
  container-type: inline-size;
  container-name: section;
  margin-block: clamp(2.5rem, 7vh, 5.5rem);
}

.section__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  margin-block-end: clamp(1.5rem, 4vh, 3rem);
}

.section__footer {
  display: flex;
  justify-content: center;
  margin-block-start: clamp(1.5rem, 4vh, 3rem);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 82vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: clamp(3rem, 10vh, 7rem);
}

.hero__inner {
  max-width: 44rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-block-start: 0.75rem;
}

/* ---------- Card grids (Grid for 2D wrap; cards use Flex inside) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(16rem, 100%), 1fr));
  gap: clamp(1rem, 3vw, 2rem);
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.card > p {
  margin: 0;
}

.card__meta {
  margin-block-start: auto; /* pin footnote to card bottom */
}

/* ---------- Split feature rows (media + text) ---------- */
.split {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

/* Fallback for browsers without container queries */
@media (min-width: 46em) {
  .split {
    grid-template-columns: 1fr 1fr;
  }

  .split--reverse > .split__media {
    order: 2;
  }
}

/* Preferred: adapt to the section's own width, not the viewport */
@supports (container-type: inline-size) {
  @container section (min-width: 46em) {
    .split {
      grid-template-columns: 1fr 1fr;
    }
  }
}

.split__media {
  width: 100%;
}

.figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.figure img,
.figure .img-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.figure--wide img,
.figure--wide .img-placeholder {
  aspect-ratio: 16 / 9;
}

/* Placeholder box shown until real photography is dropped in */
.img-placeholder {
  display: grid;
  place-items: center;
  padding: 1rem;
  text-align: center;
}

/* ---------- Definition list (pricing / at-a-glance) ---------- */
.facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(12rem, 100%), 1fr));
  gap: clamp(1rem, 3vw, 2rem);
  text-align: center;
}

.facts > div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.facts dd {
  margin: 0;
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 46rem;
  margin-inline: auto;
}

.faq details {
  padding-block: 1rem;
}

.faq summary {
  cursor: pointer;
  padding: 0.5em 0.25em;
}

.faq details > p {
  padding: 0.25em 0.25em 0.75em;
  margin: 0;
}

/* ---------- Buttons & inline actions ---------- */
.button {
  display: inline-block;
  padding: 0.8em 2em;
  text-align: center;
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.4em 0.9em;
}

/* ---------- Footer (Grid macro, Flex micro) ---------- */
.site-footer {
  margin-block-start: auto;
}

.site-footer__inner {
  max-width: 70rem;
  margin-inline: auto;
  padding: clamp(2rem, 5vh, 3.5rem) clamp(1rem, 4vw, 2.5rem);
  display: grid;
  gap: 2rem;
}

@media (min-width: 46em) {
  .site-footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.site-footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer__legal {
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2rem;
  text-align: center;
}

/* =========================================================
   Template A — "Veil" structural variations
   Frosted content panels float over a fixed full-page photo.
   ========================================================= */
.layout-veil .panel {
  padding: clamp(1.5rem, 4vw, 3.5rem);
}

.layout-veil .hero {
  min-height: 88vh;
}

/* =========================================================
   Template B — "Atelier" structural variations
   Solid page; the photograph lives in a tall hero band.
   ========================================================= */
.layout-atelier .hero {
  min-height: 72vh;
}

.layout-atelier .section--band {
  padding-block: clamp(2.5rem, 7vh, 5rem);
  margin-block: 0;
}