/* ==========================================================================
   WeReSo – layout.css
   Page regions and grids. Components live in components.css.
   ========================================================================== */

.container {
  width: min(100% - 2 * var(--space-3), var(--max-w));
  margin-inline: auto;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--c-black);
  color: var(--c-white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-nav a {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
}

.site-nav a:hover { opacity: 1; }

/* ---------- Hero ---------- */
.hero {
  background: var(--c-black);
  color: var(--c-white);
  padding-block: var(--space-5) var(--space-6);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
  align-items: center;
}

.hero h1 { color: var(--c-white); }
.hero h1 em {
  font-style: normal;
  color: var(--c-green);
}

.hero-lead {
  font-size: 1.25rem;
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: var(--space-3);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- Generic section ---------- */
.section {
  padding-block: var(--space-5);
}

.section--concrete { background: var(--c-concrete); }
.section--black {
  background: var(--c-black);
  color: var(--c-white);
}
.section--black h2 { color: var(--c-white); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.section-head p {
  max-width: 32rem;
  color: var(--c-muted);
  margin: 0;
}

.section--black .section-head p { color: rgba(255, 255, 255, 0.75); }

/* ---------- Grids ---------- */
.grid-products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.grid-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.grid-contact {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-5);
  align-items: start;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-black);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-small);
  padding-block: var(--space-3);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}

.site-footer a:hover { color: var(--c-green); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container,
  .grid-contact { grid-template-columns: 1fr; }
  .grid-steps { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .grid-products { grid-template-columns: 1fr; }
  .site-nav .nav-link { display: none; }
  .hero { padding-block: var(--space-4) var(--space-5); }
}