/* ============================================================
   USALAMA HUB — GLOBAL STYLES
   Reset, Typography, Base Elements
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* ── Skip Link ── */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-brand-primary);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  z-index: var(--z-quick-exit);
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

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

/* ── Typography Scale ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: inherit;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: var(--font-extrabold);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: var(--font-bold);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: var(--font-bold);
}

h4 {
  font-size: clamp(1.1rem, 2vw, 1.375rem);
  font-weight: var(--font-semibold);
}

h5 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

h6 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

p {
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

p + p {
  margin-top: var(--space-4);
}

/* ── Section Labels / Overlines ── */
.overline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-brand-primary);
  margin-bottom: var(--space-4);
}

.overline--light {
  color: var(--color-brand-primary-light);
}

.overline--amber {
  color: var(--color-brand-secondary);
}

.overline--violet {
  color: var(--asha-primary-light);
}

/* ── Pull Quote ── */
.pull-quote {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-brand-primary);
}

.pull-quote--white {
  color: #fff;
}

/* ── Text utilities ── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-muted {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.font-display {
  font-family: var(--font-display);
}

.font-semibold { font-weight: var(--font-semibold); }
.font-bold     { font-weight: var(--font-bold); }

/* ── Link utilities ── */
.link-underline {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.link-green {
  color: var(--color-brand-primary-light);
  transition: color var(--transition-fast);
}
.link-green:hover { color: #fff; }

.link-amber {
  color: var(--color-brand-secondary);
  font-weight: var(--font-semibold);
  transition: color var(--transition-fast);
}
.link-amber:hover { color: var(--color-brand-secondary-dark); }

/* ── Grid utilities ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1023px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ── Flex utilities ── */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-gap-2  { gap: var(--space-2); }
.flex-gap-3  { gap: var(--space-3); }
.flex-gap-4  { gap: var(--space-4); }
.flex-wrap   { flex-wrap: wrap; }

/* ── Divider ── */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-8);
}

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

/* ── Focus visible ── */
:focus-visible {
  outline: 3px solid var(--color-brand-primary-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Selection ── */
::selection {
  background: var(--color-brand-primary-faint);
  color: var(--color-brand-primary-dark);
}

/* ── Scrollbar (Webkit) ── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-surface-2);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ── Section backgrounds ── */
.bg-white       { background-color: var(--color-surface); }
.bg-light       { background-color: var(--color-bg); }
.bg-faint-green { background-color: var(--color-brand-primary-faint); }
.bg-warm-sand   { background-color: var(--color-brand-secondary-faint); }
.bg-green       { background-color: var(--color-brand-primary); }
.bg-dark-green  { background-color: var(--color-brand-primary-dark); }
.bg-darkest     { background-color: var(--color-dark); }
.bg-violet-faint{ background-color: var(--asha-primary-faint); }

/* ── Text on dark ── */
.on-dark h1,
.on-dark h2,
.on-dark h3,
.on-dark h4,
.on-dark h5,
.on-dark h6 {
  color: var(--color-text-inverse);
}

.on-dark p {
  color: rgba(255, 255, 255, 0.85);
}

.on-dark .overline {
  color: var(--color-brand-primary-light);
}

/* ── Page hero base ── */
.page-hero {
  padding-block: clamp(4rem, 10vw, 8rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero--green {
  background-color: var(--color-brand-primary);
  color: white;
}

.page-hero--dark-green {
  background: linear-gradient(135deg, var(--color-brand-primary-dark) 0%, var(--color-brand-primary) 100%);
  color: white;
}

.page-hero--amber {
  background: linear-gradient(135deg, var(--color-brand-secondary-dark) 0%, var(--color-brand-secondary) 100%);
  color: white;
}

.page-hero__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-brand-primary-light);
  background: rgba(82, 183, 136, 0.15);
  border: 1px solid rgba(82, 183, 136, 0.3);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-6);
}

.page-hero h1 {
  margin-bottom: var(--space-6);
}

.page-hero p {
  font-size: var(--text-lg);
  max-width: 640px;
  margin-inline: auto;
  color: rgba(255,255,255,0.85);
}

/* ── Icon sizing ── */
.icon-sm  { width: 20px; height: 20px; }
.icon-md  { width: 24px; height: 24px; }
.icon-lg  { width: 32px; height: 32px; }
.icon-xl  { width: 48px; height: 48px; }
.icon-2xl { width: 64px; height: 64px; }