/* Mashup Solution — Flat Design, ui-ux-pro-max design system */

:root {
  --color-primary: #7C3AED;
  --color-primary-strong: #6D28D9;
  --color-on-primary: #FFFFFF;
  --color-secondary: #6366F1;
  --color-accent: #BE185D; /* pink-700 — 4.5:1+ with white text (WCAG AA) */
  --color-accent-strong: #9D174D;
  --color-background: #FAF5FF;
  --color-surface: #FFFFFF;
  --color-foreground: #0F172A;
  --color-muted-fg: #475569;
  --color-muted: #F7F3FD;
  --color-border: #EFE7FC;
  --color-ring: #7C3AED;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;

  --radius: 12px;
  --transition: 180ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #A78BFA;
    --color-primary-strong: #8B5CF6;
    --color-on-primary: #1E1033;
    --color-accent: #F472B6;
    --color-accent-strong: #EC4899;
    --color-background: #0F0A1A;
    --color-surface: #1A1230;
    --color-foreground: #F1EDFB;
    --color-muted-fg: #B9AFD6;
    --color-muted: #171028;
    --color-border: #2C2148;
    --color-ring: #A78BFA;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: var(--space-3);
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 var(--space-2); font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 var(--space-2); }

.icon {
  width: 1.25em;
  height: 1.25em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.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;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2);
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 100;
}
.skip-link:focus { top: 0; }

a { color: var(--color-primary); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.eyebrow {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-1);
}

.lead, .section-lead {
  font-size: 1.125rem;
  color: var(--color-muted-fg);
  max-width: 38rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
  min-height: 44px;
}
.btn-sm { padding: 0.5rem 1.1rem; min-height: 40px; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--color-primary-strong); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: var(--color-accent-strong); }
@media (prefers-color-scheme: dark) {
  .btn-accent { color: #2B0A1D; }
}
.btn-ghost { color: var(--color-primary); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-primary); background: var(--color-muted); }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-foreground);
  font-size: 1.1rem;
}
.brand strong { color: var(--color-primary); }
.brand-mark { width: 2rem; height: 2rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-foreground);
  padding: 0.6rem;
  cursor: pointer;
}
.nav-toggle .icon { width: 1.5rem; height: 1.5rem; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a:not(.btn) {
  text-decoration: none;
  color: var(--color-foreground);
  font-weight: 500;
  padding: 0.5rem 0;
  transition: color var(--transition);
}
.nav-menu a:not(.btn):hover { color: var(--color-primary); }

@media (max-width: 767px) {
  .nav-toggle { display: block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3) var(--space-3);
    gap: var(--space-1);
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a:not(.btn) { padding: 0.75rem 0; }
  .nav-menu .btn { justify-content: center; margin-top: var(--space-1); }
}

/* Hero */
.hero { padding: var(--space-6) 0; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.15fr 1fr; }
}

.accent-text { color: var(--color-primary); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  color: var(--color-muted-fg);
}
.hero-points li { display: flex; align-items: center; gap: 0.6rem; }
.hero-points .icon { color: var(--color-primary); }

/* Hero visual (decorative) */
.hero-visual { position: relative; min-height: 280px; }
.visual-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.visual-card-main { display: grid; gap: 0.9rem; }
.visual-row { display: flex; gap: 0.4rem; }
.visual-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-border); }
.visual-bar { height: 12px; border-radius: 6px; background: var(--color-muted); border: 1px solid var(--color-border); }
.w-45 { width: 45%; } .w-60 { width: 60%; } .w-80 { width: 80%; } .w-90 { width: 90%; }
.visual-chip-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.visual-chip {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: var(--color-muted);
  color: var(--color-muted-fg);
  border: 1px solid var(--color-border);
}
.chip-primary { background: var(--color-primary); color: var(--color-on-primary); border-color: var(--color-primary); }

.visual-card-float {
  position: absolute;
  right: 0;
  bottom: -1.5rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--color-surface);
}
.visual-card-float .icon { color: var(--color-accent); width: 2rem; height: 2rem; }
.visual-stat { font-size: 1.5rem; font-weight: 800; margin: 0; color: var(--color-foreground); }
.visual-label { margin: 0; font-size: 0.85rem; color: var(--color-muted-fg); }

/* Sections */
.section { padding: var(--space-6) 0; }
.section-muted { background: var(--color-muted); }

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--color-primary); }
.card p { color: var(--color-muted-fg); margin: 0; }
.card-icon {
  display: inline-flex;
  padding: 0.7rem;
  border-radius: var(--radius);
  background: var(--color-muted);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.card-icon .icon { width: 1.5rem; height: 1.5rem; }

/* Steps */
.steps {
  list-style: none;
  counter-reset: step;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(4, 1fr); } }

.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.step p { color: var(--color-muted-fg); margin: 0; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

/* Stats */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}
@media (min-width: 640px) { .stat-grid { grid-template-columns: repeat(3, 1fr); } }

.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  text-align: center;
}
.stat-value {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.stat-unit { font-size: 1.2rem; margin-left: 0.2rem; }
.stat-label { color: var(--color-muted-fg); margin: 0.4rem 0 0; }

.quote {
  margin: var(--space-4) auto 0;
  max-width: 44rem;
  text-align: center;
}
.quote blockquote { margin: 0; }
.quote blockquote p {
  font-size: 1.3rem;
  font-weight: 500;
  font-style: italic;
  color: var(--color-foreground);
}
.quote figcaption { color: var(--color-muted-fg); font-size: 0.95rem; }

/* CTA */
.cta { background: var(--color-primary); }
.cta-inner { text-align: center; }
.cta h2, .cta .section-lead { color: var(--color-on-primary); }
.cta .section-lead { margin-inline: auto; opacity: 0.9; }
.cta .btn-accent { margin-top: var(--space-2); }
@media (prefers-color-scheme: dark) {
  .cta { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
  .cta h2, .cta .section-lead { color: var(--color-foreground); }
}

/* Footer */
.site-footer {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
}
.footer-inner { display: grid; gap: var(--space-2); justify-items: start; }
.site-footer p { color: var(--color-muted-fg); margin: 0; }
.footer-copy { font-size: 0.85rem; }

/* Scroll reveal (JS adds .reveal only when motion is allowed) */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 300ms ease-out, transform 300ms ease-out; }
.reveal.is-visible { opacity: 1; transform: none; }