/* Page layout primitives — containers, sections, grids. */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-xl); }
}

/* Vertical rhythm sections */
.section {
  padding-block: var(--space-section);
}
.section--tight { padding-block: var(--space-2xl); }

.section--alt {
  position: relative;
  background-color: var(--color-bg-alt);
  background-image:
    linear-gradient(rgba(30, 58, 138, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 138, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
  background-attachment: fixed;
}
.section--alt > .container { position: relative; z-index: 1; }

.section--dark {
  position: relative;
  background:
    radial-gradient(900px 440px at 50% 0%, rgba(242, 102, 24, 0.22), transparent 65%),
    radial-gradient(700px 400px at 15% 100%, rgba(59, 89, 152, 0.5), transparent 60%),
    linear-gradient(180deg, var(--color-ink) 0%, var(--color-ink-deep) 100%);
  color: #fff;
  overflow: hidden;
}
.section--dark > .container { position: relative; z-index: 1; }
/* Oversized R² watermark bleeding off the edge — editorial flourish. */
.section--dark::after {
  content: "R²";
  position: absolute;
  bottom: -0.25em;
  right: -0.08em;
  font-family: var(--font-display);
  font-weight: 600;
  font-style: italic;
  font-size: clamp(10rem, 22vw, 20rem);
  line-height: 0.9;
  color: rgba(255, 255, 255, 0.045);
  pointer-events: none;
  user-select: none;
  font-variation-settings: "opsz" 144;
  z-index: 0;
}
/* Drop the watermark on narrow viewports so it doesn't crowd CTA buttons. */
@media (max-width: 640px) {
  .section--dark::after { display: none; }
}
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark h2 { letter-spacing: -0.02em; }
.section--dark p { color: rgba(255, 255, 255, 0.88); }

/* Section header utility */
.section-header {
  text-align: center;
  max-width: 64ch;
  margin: 0 auto var(--space-2xl);
}
.section-header > p { margin-inline: auto; color: var(--color-ink-soft); }

/* Grids */
.grid {
  display: grid;
  gap: var(--space-lg);
}
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .grid { gap: var(--space-xl); }
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Stack: vertical spacing helper */
.stack > * + * { margin-top: var(--space-md); }
.stack-lg > * + * { margin-top: var(--space-lg); }
.stack-xl > * + * { margin-top: var(--space-xl); }

/* Cluster: horizontal flex with wrap */
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

/* Center a single element */
.center { display: flex; justify-content: center; }

/* Visually hide but keep accessible */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Text alignment utility */
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.text-soft  { color: var(--color-ink-soft); }

/* ------------------------------------------------------------------
   .page-hero — compact editorial page header, used by inner pages
   (Services, About, FAQs, Contact). Warmer cousin of `.hero`.
   ------------------------------------------------------------------ */
.page-hero {
  position: relative;
  padding-block: var(--space-3xl) var(--space-2xl);
  background:
    radial-gradient(800px 420px at 85% 0%, rgba(242, 102, 24, 0.09), transparent 55%),
    radial-gradient(700px 400px at 10% 100%, rgba(30, 58, 138, 0.09), transparent 55%),
    linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
  overflow: hidden;
  text-align: center;
}
@media (max-width: 640px) {
  .page-hero { padding-block: var(--space-2xl) var(--space-xl); }
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 58, 138, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 138, 0.045) 1px, transparent 1px);
  background-size: 30px 30px;
  background-attachment: fixed;
  mask-image: radial-gradient(ellipse at 50% 60%, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 60%, #000 35%, transparent 80%);
  pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.6vw, 3.5rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.028em;
  color: var(--color-ink);
  margin: 0 auto var(--space-md);
  max-width: 22ch;
  font-variation-settings: "opsz" 144;
}
.page-hero__subtitle {
  font-size: var(--fs-md);
  color: var(--color-ink-soft);
  max-width: 60ch;
  margin-inline: auto;
}

/* Editorial tagline line — small text, horizontal rule on each side. */
.tagline {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-content: center;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-ink);
  margin: 0 auto var(--space-md);
}
.tagline::before, .tagline::after {
  content: "";
  flex: 0 1 60px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}
@media (max-width: 640px) {
  .tagline { gap: var(--space-sm); letter-spacing: 0.12em; }
  .tagline::before, .tagline::after { flex: 0 1 32px; }
}