/* ============================================================
   base.css — Reset, global base, fonts, container, utilities
   ============================================================ */

/* ── Font imports (self-hosted fallback via Google Fonts preconnect) ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=Playfair+Display:ital,wght@0,700;0,900;1,700&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.15; }

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-terra);
  color: var(--color-text-on-terra);
  border-radius: var(--radius-md);
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 1rem; }

/* ── Focus ring (global) ── */
:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
}
:focus:not(:focus-visible) { outline: none; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
@media (min-width: 768px)  { .container { padding-inline: var(--space-8); } }
@media (min-width: 1024px) { .container { padding-inline: var(--space-12); } }

.container--narrow { max-width: var(--container-narrow); margin-inline: auto; }
.container--wide   { max-width: var(--container-wide); }

/* ── Section theming ── */
.section--light  { background: var(--bg-section-light); }
.section--tint   { background: var(--bg-section-tint); }
.section--dark   { background: var(--bg-section-dark); color: var(--color-text-inverted); }
.section--olive  { background: var(--bg-section-olive); }
.section--image  { position: relative; }

/* Section padding */
section, .section { padding-block: var(--section-pad); }

/* Headings on dark sections */
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 {
  color: var(--color-text-heading-inverted);
}

/* Card rules by section */
.section--dark .card {
  background: var(--bg-card-dark);
  color: var(--color-text-inverted);
  border: var(--border-dark);
}
.section--dark .card h2,
.section--dark .card h3,
.section--dark .card h4 { color: var(--color-text-heading-inverted); }

.section--light .card,
.section--tint .card,
.section--olive .card {
  background: var(--bg-card);
  color: var(--color-text-primary);
  border: var(--border-default);
}
.section--light .card h2, .section--light .card h3,
.section--tint .card h2, .section--tint .card h3,
.section--olive .card h2, .section--olive .card h3 {
  color: var(--color-text-heading);
}

/* ── Responsive image placeholder ── */
.img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-cream-dark);
  border-radius: var(--radius-md);
}

/* ── Reveal animation ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal][data-reveal-delay="1"] { transition-delay: 80ms; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 160ms; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ── Visually hidden (for screen readers) ── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Section heading block (centered) ── */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-heading h2 { font-size: var(--fs-h2); color: var(--color-text-heading); margin-bottom: var(--space-4); }
.section-heading p  { font-size: var(--fs-lead); color: var(--color-text-muted); max-width: 620px; margin-inline: auto; }
.section--dark .section-heading h2 { color: var(--color-text-heading-inverted); }
.section--dark .section-heading p  { color: var(--color-text-inverted-muted); }
.section--olive .section-heading h2 { color: var(--color-text-heading); }

.overline {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-4);
}
.section--dark .overline { color: var(--color-terra-light); }

/* ── Grid classes (mobile-first, no inline styles) ── */
.grid-services,
.grid-hub,
.grid-portfolio,
.grid-benefits,
.grid-team,
.grid-blog,
.grid-stats,
.grid-footer,
.grid-related,
.grid-contact,
.grid-alternating,
.grid-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 480px) {
  .grid-stats { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 768px) {
  .grid-services    { grid-template-columns: 1fr 1fr; }
  .grid-hub         { grid-template-columns: 1fr 1fr; }
  .grid-portfolio   { grid-template-columns: 1fr 1fr; }
  .grid-benefits    { grid-template-columns: 1fr 1fr; }
  .grid-team        { grid-template-columns: 1fr 1fr; }
  .grid-blog        { grid-template-columns: 1fr 1fr; }
  .grid-footer      { grid-template-columns: 1fr 1fr; }
  .grid-stats       { grid-template-columns: 1fr 1fr; }
  .grid-contact     { grid-template-columns: 1fr 1fr; }
  .grid-related     { grid-template-columns: 1fr; }
  .grid-alternating { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .grid-services  { grid-template-columns: repeat(3, 1fr); }
  .grid-portfolio { grid-template-columns: repeat(3, 1fr); }
  .grid-benefits  { grid-template-columns: repeat(3, 1fr); }
  .grid-team      { grid-template-columns: repeat(3, 1fr); }
  .grid-blog      { grid-template-columns: repeat(3, 1fr); }
  .grid-footer    { grid-template-columns: repeat(5, 1fr); }
  .grid-stats     { grid-template-columns: repeat(4, 1fr); }
  .grid-related   { grid-template-columns: repeat(3, 1fr); }
  .grid-contact   { grid-template-columns: 2fr 3fr; }
  .grid-bento.bento--2-1 { grid-template-columns: 2fr 1fr; }
}

/* gap overrides per context */
@media (min-width: 768px)  { .grid-services, .grid-portfolio, .grid-benefits, .grid-team, .grid-blog, .grid-related { gap: var(--space-8); } }
@media (min-width: 1024px) { .grid-stats { gap: 0; } .grid-footer { gap: var(--space-8); } }

/* ── Clip-path brand motif ── */
.clip-diagonal-top    { clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 100%); }
.clip-diagonal-bottom { clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%); }

/* ── Eco badge ── */
.eco-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-section-olive);
  color: var(--color-olive-dark);
  border: 1px solid var(--color-olive);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-4);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ── Service tag badge ── */
.tag-badge {
  display: inline-block;
  background: var(--color-olive-dark);
  color: var(--color-text-on-olive);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ── Divider ── */
.divider { border: none; border-top: var(--border-default); margin-block: var(--space-8); }
.section--dark .divider { border-top: var(--border-dark); }