/* ============================================================
   GPSI Design System — global.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --color-bg:          #eef3f2;
  --color-surface:     #ffffff;
  --color-navy:        #1a2b3c;
  --color-teal:        #2a9d8f;
  --color-teal-light:  #e8f4f2;
  --color-blue:        #3a7abf;
  --color-blue-light:  #e8f0f8;
  --color-body:        #6b7280;
  --color-muted:       #9ca3af;
  --color-border:      #e5e7eb;
  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'DM Sans', system-ui, sans-serif;
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.5rem;
  --space-lg:   2.5rem;
  --space-xl:   4rem;
  --space-2xl:  6rem;
  --max-width:  1200px;
  --nav-height: 72px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.08), 0 8px 32px rgba(0,0,0,0.06);
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-pill: 999px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); background-color: var(--color-bg); color: var(--color-body); line-height: 1.6; font-size: 1rem; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { font-family: var(--font-serif); color: var(--color-navy); line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 900; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
.accent-teal { color: var(--color-teal); }
.accent-blue { color: var(--color-blue); }
p { color: var(--color-body); line-height: 1.7; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2.5rem; }
.section { padding: var(--space-2xl) 0; }
.section--hero { padding: var(--space-2xl) 0 var(--space-xl); min-height: 52vh; display: flex; align-items: center; }

.eyebrow { display: flex; align-items: center; gap: var(--space-sm); font-family: var(--font-sans); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-teal); margin-bottom: var(--space-md); }
.eyebrow::before { content: ''; display: block; width: 2rem; height: 2px; background: var(--color-teal); flex-shrink: 0; }

.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: var(--radius-md); font-family: var(--font-sans); font-size: 0.95rem; font-weight: 500; cursor: pointer; transition: all 0.2s ease; border: 2px solid transparent; white-space: nowrap; }
.btn-primary { background: var(--color-teal); color: #fff; border-color: var(--color-teal); }
.btn-primary:hover { background: #238b7e; border-color: #238b7e; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--color-navy); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-navy); transform: translateY(-1px); }

.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-lg); box-shadow: var(--shadow-card); transition: box-shadow 0.2s ease, transform 0.2s ease; }
.card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }

.icon-badge { width: 48px; height: 48px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-md); flex-shrink: 0; }
.icon-badge--teal { background: var(--color-teal-light); color: var(--color-teal); }
.icon-badge--blue { background: var(--color-blue-light); color: var(--color-blue); }

.tag { display: inline-block; padding: 0.2rem 0.6rem; border-radius: var(--radius-pill); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.tag--teal    { background: var(--color-teal-light); color: var(--color-teal); }
.tag--blue    { background: var(--color-blue-light); color: var(--color-blue); }
.tag--outline { border: 1px solid var(--color-border); color: var(--color-muted); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .container { padding: 0 1rem; }
}

.stat-number { font-family: var(--font-serif); font-size: 2.5rem; font-weight: 700; color: var(--color-teal); line-height: 1; margin-bottom: 0.4rem; }
.stat-label  { font-weight: 600; color: var(--color-navy); font-size: 0.95rem; }
.stat-sub    { font-size: 0.82rem; color: var(--color-muted); }

.insight-item { display: flex; align-items: flex-start; gap: var(--space-md); padding: var(--space-lg); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); transition: box-shadow 0.2s ease; }
.insight-item:hover { box-shadow: var(--shadow-card-hover); }
.insight-item__icon { flex-shrink: 0; }
.insight-item__body { flex: 1; }
.insight-item__title { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; color: var(--color-navy); margin: 0.4rem 0 0.5rem; }
.insight-item__desc { font-size: 0.9rem; color: var(--color-body); }
.insight-item__link { flex-shrink: 0; color: var(--color-muted); }
.insight-item__link:hover { color: var(--color-teal); }

.blockquote-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-xl); box-shadow: var(--shadow-card); max-width: 800px; margin: 0 auto; }
.blockquote-card__mark { font-size: 3rem; color: var(--color-border); line-height: 1; margin-bottom: var(--space-sm); }
.blockquote-card__text { font-family: var(--font-serif); font-style: italic; font-size: 1.1rem; color: var(--color-navy); line-height: 1.7; margin-bottom: var(--space-md); }
.blockquote-card__author { font-weight: 600; color: var(--color-blue); font-size: 0.9rem; }
.blockquote-card__date   { font-size: 0.82rem; color: var(--color-muted); margin-top: 0.2rem; }

.cta-section { text-align: center; padding: var(--space-2xl) 0; }
.cta-section h2 { margin-bottom: var(--space-sm); }
.cta-section p  { max-width: 600px; margin: 0 auto var(--space-lg); }
.cta-buttons { display: flex; gap: var(--space-sm); justify-content: center; flex-wrap: wrap; }

footer { border-top: 1px solid var(--color-border); padding: var(--space-xl) 0 var(--space-lg); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-xl); margin-bottom: var(--space-xl); }
.footer-logo-name { font-family: var(--font-serif); font-weight: 700; color: var(--color-navy); font-size: 1rem; }
.footer-tagline { font-size: 0.82rem; color: var(--color-muted); margin-top: 0.25rem; }
.footer-desc    { font-size: 0.88rem; color: var(--color-body); margin-top: var(--space-sm); line-height: 1.6; }
.footer-col h4  { font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600; color: var(--color-navy); margin-bottom: var(--space-sm); }
.footer-col ul  { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a   { font-size: 0.88rem; color: var(--color-body); transition: color 0.15s; }
.footer-col a:hover { color: var(--color-teal); }
.footer-disclaimer { border-top: 1px solid var(--color-border); padding-top: var(--space-md); font-size: 0.75rem; color: var(--color-muted); line-height: 1.6; }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); } }

/* ── Aliases for legacy variable names ─────────────────── */
:root {
  --color-ink:      var(--color-navy);
  --color-gray:     var(--color-body);
  --color-gray-light: var(--color-muted);
  --color-bg-white: var(--color-surface);
}

/* ── Button aliases (btn--primary vs btn-primary) ──────── */
.btn--primary  { background: var(--color-teal); color: #fff; border-color: var(--color-teal); }
.btn--primary:hover { background: #238b7e; border-color: #238b7e; transform: translateY(-1px); }
.btn--outline  { background: transparent; color: var(--color-navy); border-color: var(--color-border); }
.btn--outline:hover { border-color: var(--color-navy); transform: translateY(-1px); }

/* ── Section header ────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p  { font-size: 1rem; }

/* ── Button group ─────────────────────────────────────────── */
.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* ── Footer tweaks ────────────────────────────────────────── */
.footer { padding: var(--space-xl) 0 var(--space-lg); border-top: 1px solid var(--color-border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-xl); margin-bottom: var(--space-xl); }
.footer-col h4 { font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600; color: var(--color-navy); margin-bottom: var(--space-sm); text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a  { font-size: 0.88rem; color: var(--color-body); transition: color 0.15s; }
.footer-col a:hover { color: var(--color-teal); }
.footer-tagline { font-size: 0.88rem; color: var(--color-body); line-height: 1.6; }
.footer-disclaimer { border-top: 1px solid var(--color-border); padding-top: var(--space-md); font-size: 0.75rem; color: var(--color-muted); line-height: 1.6; }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); } }