/* ==========================================================================
   home.css — K Group homepage layout & components
   All colors, type, radii, and spacing pull from variables.css /
   typography.css. This file only composes those tokens into components.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Shared section rhythm & helpers
   -------------------------------------------------------------------------- */
.section {
  padding-block: var(--space-xl);
}

.section--surface { background-color: var(--color-surface); }
.section--dark {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}
.section--dark h2,
.section--dark h3 { color: var(--color-white); }

.section__head {
  max-width: 60ch;
  margin-bottom: var(--space-lg);
}
.section__head p {
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}
.section--dark .section__head p { color: rgba(255, 255, 255, 0.7); }

.eyebrow {
  font: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-block;
  margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Button variants (base .btn = filled red, defined in base.css)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}
.btn--outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
}
.btn--white:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.btn--outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}
.btn--outline-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}
.btn--whatsapp:hover { background-color: #1EBE5A; }

.btn--icon {
  padding: 0.55rem;
  width: 2.75rem;
  height: 2.75rem;
}
.btn--icon svg { width: 1.25rem; height: 1.25rem; }

/* --------------------------------------------------------------------------
   Site navigation — sticky
   -------------------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.site-nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font: var(--text-h3);
  color: var(--color-charcoal);
  font-weight: var(--weight-bold);
}
.brand:hover { color: var(--color-charcoal); }
/* Real K Group logo image in the nav/footer brand link. */
.brand__logo {
  display: block;
  height: 44px;
  width: auto;
}
/* Non-destructive fallback: if the logo image fails, the K mark + "K Group"
   text is revealed instead (`:not([hidden])` so the hidden attr still wins). */
.brand__fallback:not([hidden]) {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-button);
  background: linear-gradient(145deg, #d9d9d9, #f5f5f5);
  color: var(--color-charcoal);
  font: var(--text-h3);
  font-weight: var(--weight-bold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}
.nav-links a {
  font: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--color-charcoal);
}
.nav-links a:hover { color: var(--color-primary); }

/* CSS-only "More" dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}
.nav-dropdown__toggle svg { width: 0.7rem; height: 0.7rem; }
.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  min-width: 200px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-hover);
  padding: 0.5rem;
  display: none;
  flex-direction: column;
  gap: 0.15rem;
}
.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu { display: flex; }
.nav-dropdown__menu a {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-button);
}
.nav-dropdown__menu a:hover { background: var(--color-surface); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding-block: clamp(4rem, 9vw, 7rem);
}
.hero__content { position: relative; z-index: 1; max-width: 60ch; }
.hero h1 {
  font: var(--text-hero);
  letter-spacing: var(--tracking-hero);
  color: var(--color-white);
}
.hero__subhead {
  font: var(--text-body);
  color: rgba(255, 255, 255, 0.75);
  max-width: 52ch;
  margin-top: var(--space-md);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-lg);
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.stat__value {
  font: var(--text-h2);
  color: var(--color-white);
  font-weight: var(--weight-bold);
}
.stat__label {
  font: var(--text-small);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   Card grids (generic)
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-md);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.card h3 { margin-bottom: 0.35rem; }
.card p { color: var(--color-text-muted); font: var(--text-small); }

/* Technology-category card with red top border */
.cat-card {
  border-top: 3px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.cat-card__count {
  font: var(--text-h2);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1;
}
.cat-card__count span {
  font: var(--text-small);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
  margin-left: 0.35rem;
}

/* Service card (icon-less, text-forward) */
.service-card h3 { font: var(--text-h3); }

/* Industry card (on dark) */
.section--dark .card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.section--dark .card h3 { color: var(--color-white); }
.section--dark .card p { color: rgba(255, 255, 255, 0.65); }

/* Why-K-Group stat cards */
.why-card {
  text-align: left;
  border-left: 3px solid var(--color-primary);
}
.why-card .stat__value { color: var(--color-charcoal); }
.why-card .stat__label { color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   Principals chip strip
   -------------------------------------------------------------------------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.chip {
  font: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--color-charcoal);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  transition: border-color var(--transition-base), color var(--transition-base);
}
.chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   CTA band (solid red)
   -------------------------------------------------------------------------- */
.cta-band {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
}
.cta-band h2 { color: var(--color-white); max-width: 22ch; margin-inline: auto; }
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: var(--space-lg);
}

/* --------------------------------------------------------------------------
   News & events
   -------------------------------------------------------------------------- */
.news-card { display: flex; flex-direction: column; }
.news-card__meta {
  font: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.news-card__thumb {
  aspect-ratio: 16 / 9;
  background: var(--color-surface);
  border-radius: var(--radius-button);
  margin-bottom: var(--space-md);
}
.news-card h3 { font: var(--text-h3); margin-bottom: 0.35rem; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #111111;
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-xl) var(--space-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-lg);
}
.site-footer h4 {
  font: var(--text-small);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}
.site-footer a { color: rgba(255, 255, 255, 0.7); font: var(--text-small); }
.site-footer a:hover { color: var(--color-white); }
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-brand .brand { color: var(--color-white); margin-bottom: var(--space-md); }
.footer-brand .brand:hover { color: var(--color-white); }
.footer-brand p { font: var(--text-small); margin-bottom: 0.4rem; }
.footer-tagline {
  font: var(--text-h3);
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: var(--space-md);
}
.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font: var(--text-caption);
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .grid--2,
  .grid--3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}